Remove accents diacritics in a string in JavaScript

Question

How do I remove accentuated characters from a string   Especially in IE6  I had something like this   accentsTidy   function s       var r s toLowerCase        r   r replace new RegExp   s g           r   r replace new RegExp                 g   a        r   r replace new RegExp     g   ae        r   r replace new RegExp     g   c        r   r replace new RegExp             g   e        r   r replace new RegExp             g   i        r   r replace new RegExp     g   n                        r   r replace new RegExp               g   o        r   r replace new RegExp     g   oe        r   r replace new RegExp             g   u        r   r replace new RegExp         g   y        r   r replace new RegExp   W g           return r       but IE6 bugs me  seems it doesn t like my regular expression

User · Answer

normalize-diacritics is very useful     const   normalize     require  normalize-diacritics                  Assuming top-level await is enabled           await normalize  s  me st  ff with   cc  nts        some stuff with accents

User · Answer

Here is a very fast script based on the Unicode standard  taken from here  http   semplicewebsites com removing-accents-javascript  var Latinise    Latinise latin map        A   A   A       A       A       A       A       A   A   A        A       A       A       A       A       A        A   A   A       A       A       A       A        A       A       A   A   A   A   A        A       A       A       A        A       AA        AE       AE       AE       AO       AU       AV       AV       AY       B       B       B       B       B       B   C   C   C   C        C       C   C   C   C   C       C       C   D   D       D       D       D       D       D       D       D       D        D       D       DZ       DZ        E   E   E   E   E       E       E        E       E       E       E       E       E       E        E   E   E       E       E        E       E       E   E   E       E       E   E   E       E       E       E       ET       F        F       G   G   G   G   G   G   G   G   G   G   G 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m       m       oe       r       r       r       r       t       v       w       y       tz        u   u   u   u   u        u       u        u   u   u   u   u   u   u   u   u       u       u   u   u       u        u       u   u   u       u       u       u       u       u       u   u   u       u   u   u       u   u   u   u   u       u       u       ue       um       v       v       v       v       v       v       v       vy       w   w   w       w       w       w       w       w       w       x       x       x        y   y   y        y       y       y       y       y       y       y       y       y       y       y   z   z        z       z       z       z   z   z       z       z       z       z       z       z   z   z       z       ff       ffi       ffl       fi       fl       ij        oe       st       a       e       i       j       o       r       u       v       x    String prototype latinise function   return this replace    A-Za-z0-9       g function a  return Latinise latin map a   a     String prototype latinize String prototype latinise  String prototype isLatin function   return this  this latinise      Some examples    gt   Piqu    latinize     Pique   gt   Piqu    isLatin    false  gt   Pique  isLatin    true  gt   Piqu    latinise   isLatin    true   To ensure the above latin map doesn t get corrupted by copy pasting or other transformations  use this base64 encoded string  replacing the first line of the above   var base64map  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User · Answer

Pass a user defined function to the Array sort   method  and in this user defined function use String localeCompare    function myCompareFunction a  b      return a localeCompare b      var values     p  ches      pinards    tomates    fraises        WRONG    fraises    p  ches    tomates      pinards   values sort           GOOD        pinards    fraises    p  ches    tomates   values sort myCompareFunction

User · Answer

With ES2015 ES6 String prototype normalize    const str    quot Cr  me Brul  e quot  str normalize  quot NFD quot   replace    u0300- u036f  g   quot  quot    gt   quot Creme Brulee quot   Two things are happening here   normalize  ing to NFD Unicode normal form decomposes combined graphemes into the combination of simple ones  The    of Cr  me ends up expressed as e       Using a regex character class to match the U 0300   U 036F range  it is now trivial to globally get rid of the diacritics  which the Unicode standard conveniently groups as the Combining Diacritical Marks Unicode block   See comment for performance testing  Alternatively  if you just want sorting Intl Collator has sufficient support  95  right now  a polyfill is also available here but I haven t tested it  const c   new Intl Collator      quot creme brulee quot    quot cr  me brul  e quot    quot crame brulai quot    quot crome brouill   quot    quot creme brulay quot    quot creme brulf   quot    quot creme brul  a quot   sort c compare    quot crame brulai quot    quot creme brulay quot    quot creme brul  a quot    quot creme brulee quot    quot cr  me brul  e quot    quot creme brulf   quot    quot crome brouill   quot       quot creme brulee quot    quot cr  me brul  e quot    quot crame brulai quot    quot crome brouill   quot   sort  a b    gt  a gt b    quot crame brulai quot    quot creme brulee quot    quot crome brouill   quot    quot cr  me brul  e quot

User · Answer

I slightly modified khel version for one reason  Every regexp parse replace will cost O n  operations  where n is number of characters in target text  But  regexp is not exactly what we need  So    x000D   x000D     x000D     Licensed under the Apache License  Version 2 0  the  License    x000D     you may not use this file except in compliance with the License  x000D     You may obtain a copy of the License at x000D   x000D         http   www apache org licenses LICENSE-2 0 x000D   x000D     Unless required by applicable law or agreed to in writing  software x000D     distributed under the License is distributed on an  AS IS  BASIS  x000D     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND  either express or implied  x000D     See the License for the specific language governing permissions and x000D     limitations under the License  x000D     x000D      var defaultDiacriticsRemovalMap     x000D            base   A    letters    u0041 u24B6 uFF21 u00C0 u00C1 u00C2 u1EA6 u1EA4 u1EAA u1EA8 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letters    uA73D    x000D            base   b    letters    u0062 u24D1 uFF42 u1E03 u1E05 u1E07 u0180 u0183 u0253    x000D            base   c    letters    u0063 u24D2 uFF43 u0107 u0109 u010B u010D u00E7 u1E09 u0188 u023C uA73F u2184    x000D            base   d    letters    u0064 u24D3 uFF44 u1E0B u010F u1E0D u1E11 u1E13 u1E0F u0111 u018C u0256 u0257 uA77A    x000D            base   dz   letters    u01F3 u01C6    x000D            base   e    letters    u0065 u24D4 uFF45 u00E8 u00E9 u00EA u1EC1 u1EBF u1EC5 u1EC3 u1EBD u0113 u1E15 u1E17 u0115 u0117 u00EB u1EBB u011B u0205 u0207 u1EB9 u1EC7 u0229 u1E1D u0119 u1E19 u1E1B u0247 u025B u01DD    x000D            base   f    letters    u0066 u24D5 uFF46 u1E1F u0192 uA77C    x000D            base   g    letters    u0067 u24D6 uFF47 u01F5 u011D u1E21 u011F u0121 u01E7 u0123 u01E5 u0260 uA7A1 u1D79 uA77F    x000D            base   h    letters    u0068 u24D7 uFF48 u0125 u1E23 u1E27 u021F u1E25 u1E29 u1E2B u1E96 u0127 u2C68 u2C76 u0265    x000D  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u1ED5 u00F5 u1E4D u022D u1E4F u014D u1E51 u1E53 u014F u022F u0231 u00F6 u022B u1ECF u0151 u01D2 u020D u020F u01A1 u1EDD u1EDB u1EE1 u1EDF u1EE3 u1ECD u1ED9 u01EB u01ED u00F8 u01FF u0254 uA74B uA74D u0275    x000D            base   oi   letters    u01A3    x000D            base   ou   letters    u0223    x000D            base   oo   letters    uA74F    x000D            base   p   letters    u0070 u24DF uFF50 u1E55 u1E57 u01A5 u1D7D uA751 uA753 uA755    x000D            base   q   letters    u0071 u24E0 uFF51 u024B uA757 uA759    x000D            base   r   letters    u0072 u24E1 uFF52 u0155 u1E59 u0159 u0211 u0213 u1E5B u1E5D u0157 u1E5F u024D u027D uA75B uA7A7 uA783    x000D            base   s   letters    u0073 u24E2 uFF53 u00DF u015B u1E65 u015D u1E61 u0161 u1E67 u1E63 u1E69 u0219 u015F u023F uA7A9 uA785 u1E9B    x000D            base   t   letters    u0074 u24E3 uFF54 u1E6B u1E97 u0165 u1E6D u021B u0163 u1E71 u1E6F u0167 u01AD u0288 u2C66 uA787    x000D            base   tz   letters    uA729    x000D            base   u   letters     u0075 u24E4 uFF55 u00F9 u00FA u00FB u0169 u1E79 u016B u1E7B u016D u00FC u01DC u01D8 u01D6 u01DA u1EE7 u016F u0171 u01D4 u0215 u0217 u01B0 u1EEB u1EE9 u1EEF u1EED u1EF1 u1EE5 u1E73 u0173 u1E77 u1E75 u0289    x000D            base   v   letters    u0076 u24E5 uFF56 u1E7D u1E7F u028B uA75F u028C    x000D            base   vy   letters    uA761    x000D            base   w   letters    u0077 u24E6 uFF57 u1E81 u1E83 u0175 u1E87 u1E85 u1E98 u1E89 u2C73    x000D            base   x   letters    u0078 u24E7 uFF58 u1E8B u1E8D    x000D            base   y   letters    u0079 u24E8 uFF59 u1EF3 u00FD u0177 u1EF9 u0233 u1E8F u00FF u1EF7 u1E99 u1EF5 u01B4 u024F u1EFF    x000D            base   z   letters    u007A u24E9 uFF5A u017A u1E91 u017C u017E u1E93 u1E95 u01B6 u0225 u0240 u2C6C uA763   x000D         x000D   x000D      var diacriticsMap       x000D      for  var i 0  i  lt  defaultDiacriticsRemovalMap  length  i     x000D          var letters   defaultDiacriticsRemovalMap  i  letters  x000D          for  var j 0  j  lt  letters length   j     x000D              diacriticsMap letters j     defaultDiacriticsRemovalMap  i  base  x000D            x000D        x000D   x000D          what   version     http   jsperf com diacritics 12 x000D      function removeDiacritics  str    x000D          return str replace     u0000- u007E  g  function a    x000D             return diacriticsMap a     a   x000D              x000D            x000D      var paragraph    L avantage d utiliser le lorem ipsum est bien       videmment de pouvoir cr  er des maquettes ou de remplir un site internet de contenus qui pr  sentent un rendu s approchant un maximum du rendu final   n Par d  faut lorem ipsum ne contient pas d accent ni de caract  res sp  ciaux contrairement    la langue fran  aise qui en contient beaucoup  C est sur ce crit  re que nous proposons une solution avec cet outil qui g  n  rant du faux-texte lorem ipsum mais avec en plus  des caract  res sp  ciaux tel que les accents ou certains symboles utiles pour la langue fran  aise   n L utilisation du lorem standard est facile d   utilisation mais lorsque le futur client utilisera votre logiciel il se peut que certains caract  res sp  ciaux ou qu un accent ne soient pas cod  s correctement   n Cette page a pour but donc de pouvoir perdre le moins de temps possible et donc de tester directement si tous les encodages de base de donn  e ou des sites sont les bons de plus il permet de r  cuperer un code css avec le texte format       x000D      alert removeDiacritics paragraph    x000D   x000D   x000D    To test my theory I wrote a test in http   jsperf com diacritics 12  Results   Testing in Chrome 28 0 1500 95 32-bit on Windows 8 64-bit  Using Regexp 4 558 ops sec   4 16   37  slower String Builder style 7 308 ops sec   4 88   fastest  Update  Testing in Chrome 33 0 1750 on Windows 8 64-bit   Using Regexp 5 260   1 25  ops sec 76  slower Using  skerit version 22 138   2 12  ops sec fastest  Update - 19 03 2014  Adding missing  OE  diacritics   Update - 27 03 2014  Using a faster way to transverse a string using js -  What   Version    Update - 14 05 2014  Community wiki

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One solution that seems to be way faster by the given test   http   jsperf com diacritics 9  function removeDiacritics str       return str replace    A-Za-z0-9 s   g  function a         return diacriticsMap a     a            removeDiacritics teste     Working example  http   jsbin com sovorute 1 edit  Reasoning  One reason this is much faster is because we only iterate through the special characters  picked by the negated regex pattern  The fastest of the tests  String Iteration without in  iterates 1001 on the given text  which means every character  This one iterates only 35 times and outputs the same result  Keep in mind that this will only replace what is indicated in the map   Classic article on the subject  http   alistapart com article accent-folding-for-auto-complete  Credit  http   semplicewebsites com removing-accents-javascript   also provides a nice character map

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I used string js s latinise   method  which lets you do it like this   var output   S input  latinise   toString

User · Answer

In NPM there is a package for this  latinize  It s a very good package to solve this issue

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I took the wiki answer and I translated it into typescript static class  for people that come from for example angular  export class DiacriticsRemover      private static diacriticsMap  Map lt string  string gt    new Map lt string  string gt        private static defaultDiacriticsRemovalMap                 base   A         letters    u0041 u24B6 uFF21 u00C0 u00C1 u00C2 u1EA6 u1EA4 u1EAA u1EA8 u00C3 u0100 u0102 u1EB0 u1EAE u1EB4 u1EB2 u0226 u01E0 u00C4 u01DE u1EA2 u00C5 u01FA u01CD u0200 u0202 u1EA0 u1EAC u1EB6 u1E00 u0104 u023A u2C6F                     base   AA         letters    uA732                     base   AE         letters    u00C6 u01FC u01E2                     base   AO         letters    uA734                     base   AU         letters    uA736                     base   AV         letters    uA738 uA73A                     base   AY         letters    uA73C                     base   B         letters    u0042 u24B7 uFF22 u1E02 u1E04 u1E06 u0243 u0182 u0181                     base   C         letters    u0043 u24B8 uFF23 u0106 u0108 u010A u010C u00C7 u1E08 u0187 u023B uA73E                     base   D         letters    u0044 u24B9 uFF24 u1E0A u010E u1E0C u1E10 u1E12 u1E0E u0110 u018B u018A u0189 uA779 u00D0                     base   DZ         letters    u01F1 u01C4                     base   Dz         letters    u01F2 u01C5                     base   E         letters    u0045 u24BA uFF25 u00C8 u00C9 u00CA u1EC0 u1EBE u1EC4 u1EC2 u1EBC u0112 u1E14 u1E16 u0114 u0116 u00CB u1EBA u011A u0204 u0206 u1EB8 u1EC6 u0228 u1E1C u0118 u1E18 u1E1A u0190 u018E                     base   F         letters    u0046 u24BB uFF26 u1E1E u0191 uA77B                     base   G         letters    u0047 u24BC uFF27 u01F4 u011C u1E20 u011E u0120 u01E6 u0122 u01E4 u0193 uA7A0 uA77D uA77E                     base   H         letters    u0048 u24BD uFF28 u0124 u1E22 u1E26 u021E u1E24 u1E28 u1E2A u0126 u2C67 u2C75 uA78D                     base   I         letters    u0049 u24BE uFF29 u00CC u00CD u00CE u0128 u012A u012C u0130 u00CF u1E2E u1EC8 u01CF u0208 u020A u1ECA u012E u1E2C u0197                     base   J         letters    u004A u24BF uFF2A u0134 u0248                     base   K         letters    u004B u24C0 uFF2B u1E30 u01E8 u1E32 u0136 u1E34 u0198 u2C69 uA740 uA742 uA744 uA7A2                     base   L         letters    u004C u24C1 uFF2C u013F u0139 u013D u1E36 u1E38 u013B u1E3C u1E3A u0141 u023D u2C62 u2C60 uA748 uA746 uA780                     base   LJ         letters    u01C7                     base   Lj         letters    u01C8                     base   M         letters    u004D u24C2 uFF2D u1E3E u1E40 u1E42 u2C6E u019C                     base   N         letters    u004E u24C3 uFF2E u01F8 u0143 u00D1 u1E44 u0147 u1E46 u0145 u1E4A u1E48 u0220 u019D uA790 uA7A4                     base   NJ         letters    u01CA                     base   Nj         letters    u01CB                     base   O         letters    u004F u24C4 uFF2F u00D2 u00D3 u00D4 u1ED2 u1ED0 u1ED6 u1ED4 u00D5 u1E4C u022C u1E4E u014C u1E50 u1E52 u014E u022E u0230 u00D6 u022A u1ECE u0150 u01D1 u020C u020E u01A0 u1EDC u1EDA u1EE0 u1EDE u1EE2 u1ECC u1ED8 u01EA u01EC u00D8 u01FE u0186 u019F uA74A uA74C                     base   OI         letters    u01A2                     base   OO         letters    uA74E                     base   OU         letters    u0222                     base   OE         letters    u008C u0152                     base   oe         letters    u009C u0153                     base   P         letters    u0050 u24C5 uFF30 u1E54 u1E56 u01A4 u2C63 uA750 uA752 uA754                     base   Q         letters    u0051 u24C6 uFF31 uA756 uA758 u024A                     base   R         letters    u0052 u24C7 uFF32 u0154 u1E58 u0158 u0210 u0212 u1E5A u1E5C u0156 u1E5E u024C u2C64 uA75A uA7A6 uA782                     base   S         letters    u0053 u24C8 uFF33 u1E9E u015A u1E64 u015C u1E60 u0160 u1E66 u1E62 u1E68 u0218 u015E u2C7E uA7A8 uA784                     base   T         letters    u0054 u24C9 uFF34 u1E6A u0164 u1E6C u021A u0162 u1E70 u1E6E u0166 u01AC u01AE u023E uA786                     base   TZ         letters    uA728                     base   U         letters    u0055 u24CA uFF35 u00D9 u00DA u00DB u0168 u1E78 u016A u1E7A u016C u00DC u01DB u01D7 u01D5 u01D9 u1EE6 u016E u0170 u01D3 u0214 u0216 u01AF u1EEA u1EE8 u1EEE u1EEC u1EF0 u1EE4 u1E72 u0172 u1E76 u1E74 u0244                     base   V         letters    u0056 u24CB uFF36 u1E7C u1E7E u01B2 uA75E u0245                     base   VY         letters    uA760                     base   W         letters    u0057 u24CC uFF37 u1E80 u1E82 u0174 u1E86 u1E84 u1E88 u2C72                     base   X         letters    u0058 u24CD uFF38 u1E8A u1E8C                     base   Y         letters    u0059 u24CE uFF39 u1EF2 u00DD u0176 u1EF8 u0232 u1E8E u0178 u1EF6 u1EF4 u01B3 u024E u1EFE                     base   Z         letters    u005A u24CF uFF3A u0179 u1E90 u017B u017D u1E92 u1E94 u01B5 u0224 u2C7F u2C6B uA762                     base   a         letters    u0061 u24D0 uFF41 u1E9A u00E0 u00E1 u00E2 u1EA7 u1EA5 u1EAB u1EA9 u00E3 u0101 u0103 u1EB1 u1EAF u1EB5 u1EB3 u0227 u01E1 u00E4 u01DF u1EA3 u00E5 u01FB u01CE u0201 u0203 u1EA1 u1EAD u1EB7 u1E01 u0105 u2C65 u0250                     base   aa         letters    uA733                     base   ae         letters    u00E6 u01FD u01E3                     base   ao         letters    uA735                     base   au         letters    uA737                     base   av         letters    uA739 uA73B                     base   ay         letters    uA73D                     base   b         letters    u0062 u24D1 uFF42 u1E03 u1E05 u1E07 u0180 u0183 u0253                     base   c         letters    u0063 u24D2 uFF43 u0107 u0109 u010B u010D u00E7 u1E09 u0188 u023C uA73F u2184                     base   d         letters    u0064 u24D3 uFF44 u1E0B u010F u1E0D u1E11 u1E13 u1E0F u0111 u018C u0256 u0257 uA77A                     base   dz         letters    u01F3 u01C6                     base   e         letters    u0065 u24D4 uFF45 u00E8 u00E9 u00EA u1EC1 u1EBF u1EC5 u1EC3 u1EBD u0113 u1E15 u1E17 u0115 u0117 u00EB u1EBB u011B u0205 u0207 u1EB9 u1EC7 u0229 u1E1D u0119 u1E19 u1E1B u0247 u025B u01DD                     base   f         letters    u0066 u24D5 uFF46 u1E1F u0192 uA77C                     base   g         letters    u0067 u24D6 uFF47 u01F5 u011D u1E21 u011F u0121 u01E7 u0123 u01E5 u0260 uA7A1 u1D79 uA77F                     base   h         letters    u0068 u24D7 uFF48 u0125 u1E23 u1E27 u021F u1E25 u1E29 u1E2B u1E96 u0127 u2C68 u2C76 u0265                     base   hv         letters    u0195                     base   i         letters    u0069 u24D8 uFF49 u00EC u00ED u00EE u0129 u012B u012D u00EF u1E2F u1EC9 u01D0 u0209 u020B u1ECB u012F u1E2D u0268 u0131                     base   j         letters    u006A u24D9 uFF4A u0135 u01F0 u0249                     base   k         letters    u006B u24DA uFF4B u1E31 u01E9 u1E33 u0137 u1E35 u0199 u2C6A uA741 uA743 uA745 uA7A3                     base   l         letters    u006C u24DB uFF4C u0140 u013A u013E u1E37 u1E39 u013C u1E3D u1E3B u017F u0142 u019A u026B u2C61 uA749 uA781 uA747                     base   lj         letters    u01C9                     base   m         letters    u006D u24DC uFF4D u1E3F u1E41 u1E43 u0271 u026F                     base   n         letters    u006E u24DD uFF4E u01F9 u0144 u00F1 u1E45 u0148 u1E47 u0146 u1E4B u1E49 u019E u0272 u0149 uA791 uA7A5                     base   nj         letters    u01CC                     base   o         letters    u006F u24DE uFF4F u00F2 u00F3 u00F4 u1ED3 u1ED1 u1ED7 u1ED5 u00F5 u1E4D u022D u1E4F u014D u1E51 u1E53 u014F u022F u0231 u00F6 u022B u1ECF u0151 u01D2 u020D u020F u01A1 u1EDD u1EDB u1EE1 u1EDF u1EE3 u1ECD u1ED9 u01EB u01ED u00F8 u01FF u0254 uA74B uA74D u0275                     base   oi         letters    u01A3                     base   ou         letters    u0223                     base   oo         letters    uA74F                     base   p         letters    u0070 u24DF uFF50 u1E55 u1E57 u01A5 u1D7D uA751 uA753 uA755                     base   q         letters    u0071 u24E0 uFF51 u024B uA757 uA759                     base   r         letters    u0072 u24E1 uFF52 u0155 u1E59 u0159 u0211 u0213 u1E5B u1E5D u0157 u1E5F u024D u027D uA75B uA7A7 uA783                     base   s         letters    u0073 u24E2 uFF53 u00DF u015B u1E65 u015D u1E61 u0161 u1E67 u1E63 u1E69 u0219 u015F u023F uA7A9 uA785 u1E9B                     base   t         letters    u0074 u24E3 uFF54 u1E6B u1E97 u0165 u1E6D u021B u0163 u1E71 u1E6F u0167 u01AD u0288 u2C66 uA787                     base   tz         letters    uA729                     base   u         letters    u0075 u24E4 uFF55 u00F9 u00FA u00FB u0169 u1E79 u016B u1E7B u016D u00FC u01DC u01D8 u01D6 u01DA u1EE7 u016F u0171 u01D4 u0215 u0217 u01B0 u1EEB u1EE9 u1EEF u1EED u1EF1 u1EE5 u1E73 u0173 u1E77 u1E75 u0289                     base   v         letters    u0076 u24E5 uFF56 u1E7D u1E7F u028B uA75F u028C                     base   vy         letters    uA761                     base   w         letters    u0077 u24E6 uFF57 u1E81 u1E83 u0175 u1E87 u1E85 u1E98 u1E89 u2C73                     base   x         letters    u0078 u24E7 uFF58 u1E8B u1E8D                     base   y         letters    u0079 u24E8 uFF59 u1EF3 u00FD u0177 u1EF9 u0233 u1E8F u00FF u1EF7 u1E99 u1EF5 u01B4 u024F u1EFF                     base   z         letters    u007A u24E9 uFF5A u017A u1E91 u017C u017E u1E93 u1E95 u01B6 u0225 u0240 u2C6C uA763                private static isSetUp   false     public static removeDiacritics text  string   string       if   this isSetUp          this setUp               return text replace     u0000- u007E  g   a  string    gt  this diacriticsMap get a     a          private static setUp    void          tslint disable-next-line prefer-for-of     for  let i   0  i  lt  this defaultDiacriticsRemovalMap length  i            const letters   this defaultDiacriticsRemovalMap i  letters            tslint disable-next-line prefer-for-of       for  let j   0  j  lt  letters length  j              this diacriticsMap set letters j   this defaultDiacriticsRemovalMap i  base                     this isSetUp   true

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Assuming you know what you re doing  I suspect IE6 is not interpreting the file s encoding correctly  and hence not recognising the non-ASCII characters in the file    Make sure the file is saved as UTF-8  say  Use Fiddler or some other tool to check that the web server is sending the correct Content-Encoding HTTP header     It  smells  wrong though  I d look into doing the sorting  say on the server using something that s locale-aware    but anyway

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I found all these a little clumsy and I m not too expert on regular expressions  so here s a simpler version  It would be quite easy to translate it to your favourite server-side language  assuming that the string already in Unicode      String containing replacement characters for stripping accents  var stripstring         AAAAAAACEEEEIIII        DNOOOOO OUUUUY          aaaaaaaceeeeiiii        dnooooo ouuuuy y        AaAaAaCcCcCcCcDd        DdEeEeEeEeEeGgGg        GgGgHhHhIiIiIiIi        IiIiJjKkkLlLlLlL        lJlNnNnNnnNnOoOo        OoOoRrRrRrSsSsSs        SsTtTtTtUuUuUuUu        UuUuWwYyYZzZzZz     function stripaccents str       var answer         for var i 0 i lt str length i             var ch str i           var chindex ch charCodeAt 0 -192       Index of character code in the strip string         if chindex gt  0  amp  amp  chindex lt stripstring length                  Character is within our table  so we can strip the accent                var outch stripstring charAt chindex                     unless it was shown as a                 if outch      ch outch                    answer  ch            return answer

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Here s a very simple solution without too much code using a very simple map of diacritics that includes some or all that map to ascii equivalents containing more than one character  i e        AE       ffi  etc     Also included some very basic functional tests  var diacriticsMap         u00C0    A            gt  A     u00C1    A             gt  A     u00C2    A             gt  A     u00C3    A             gt  A     u00C4    A             gt  A     u00C5    A             gt  A     u00C6    AE           gt  AE     u00C7    C             gt  C     u00C8    E             gt  E     u00C9    E             gt  E     u00CA    E             gt  E     u00CB    E             gt  E     u00CC    I             gt  I     u00CD    I             gt  I     u00CE    I             gt  I     u00CF    I             gt  I     u0132    IJ          gt  IJ     u00D0    D             gt  D     u00D1    N             gt  N     u00D2    O             gt  O     u00D3    O             gt  O     u00D4    O             gt  O     u00D5    O             gt  O     u00D6    O             gt  O     u00D8    O             gt  O     u0152    OE           gt  OE     u00DE    TH           gt  TH     u00D9    U             gt  U     u00DA    U             gt  U     u00DB    U             gt  U     u00DC    U             gt  U     u00DD    Y             gt  Y     u0178    Y             gt  Y     u00E0    a             gt  a     u00E1    a             gt  a     u00E2    a             gt  a     u00E3    a             gt  a     u00E4    a             gt  a     u00E5    a             gt  a     u00E6    ae           gt  ae     u00E7    c             gt  c     u00E8    e             gt  e     u00E9    e             gt  e     u00EA    e             gt  e     u00EB    e             gt  e     u00EC    i             gt  i     u00ED    i             gt  i     u00EE    i             gt  i     u00EF    i             gt  i     u0133    ij          gt  ij     u00F0    d             gt  d     u00F1    n             gt  n     u00F2    o             gt  o     u00F3    o             gt  o     u00F4    o             gt  o     u00F5    o             gt  o     u00F6    o             gt  o     u00F8    o             gt  o     u0153    oe           gt  oe     u00DF    ss           gt  ss     u00FE    th           gt  th     u00F9    u             gt  u     u00FA    u             gt  u     u00FB    u             gt  u     u00FC    u             gt  u     u00FD    y             gt  y     u00FF    y             gt  y     uFB00    ff          gt  ff     uFB01    fi            gt  fi     uFB02    fl          gt  fl     uFB03    ffi           gt  ffi     uFB04    ffl           gt  ffl     uFB05    ft          gt  ft     uFB06    st          gt  st     function replaceDiacritics str      var returnStr         if str        for  var i   0  i  lt  str length  i            if  diacriticsMap str i              returnStr    diacriticsMap str i            else           returnStr    str i                       return returnStr     function testStripDiacritics input  expected      var coChar   replaceDiacritics input     console log  The character passed in was     input     console log  The character that came out was     coChar     console log  The character expected was    expected      testStripDiacritics       A    testStripDiacritics  A   A    testStripDiacritics       AE    testStripDiacritics  AE   AE    testStripDiacritics    h  rl    Y  Z     ChArlEsYYZZ

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scope legal name    sanitize  scope legal name       console log  Name before function      scope legal name        var str           for var i 0  i  lt   scope legal name length  i              var charName    scope legal name charAt i           if  charName      amp     amp  amp    scope legal name charAt i   1                        var count   0              var subString                   while true                    if   scope legal name charCodeAt i   2   count   gt  47   amp  amp    scope legal name charCodeAt i   1   count   lt  58                          subString   subString    scope legal name charAt i   2   count                       count                      else                       if subString length  gt  0                            var value   parseInt subString                           str   str   String fromCharCode value                           i   i   1   count                           break                                                                                 else               str   str   charName                       scope legal name   str      console log  Name After function     str

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The format for new RegExp is  RegExp something   modifiers      So you would want  accentsTidy   function s                           var r s toLowerCase                            r   r replace new RegExp    s    g                                r   r replace new RegExp                    g    a                            r   r replace new RegExp        g    ae                            r   r replace new RegExp        g    c                            r   r replace new RegExp                g    e                            r   r replace new RegExp                g    i                            r   r replace new RegExp        g    n                                                        r   r replace new RegExp                  g    o                            r   r replace new RegExp        g    oe                            r   r replace new RegExp                g    u                            r   r replace new RegExp            g    y                            r   r replace new RegExp    W    g                                return r

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You can use the   deburr   method from the Lodash library  It s available as a stand-alone NPM package lodash deburr  or as part of the lodash package  const myStringWithAccent    Mon caf   est plein de caf    ne   const myStringWithoutAccent     deburr  myStringWithAccent      The result will be    quot Mon cafe est plein de cafeine quot

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My take  for removing all accents and special characters  I ve mixed Lewis Diamond s elegant accent removal method with the community wiki s fast character replace for the rest of the characters  The result is an Ascii string   function convertToAscii string        const unicodeToAsciiMap         A        AE       AV       B       B       B       C       C       D       D       D        D       D       DZ       E       ET        F       G   G   G       H   H   H   I   I       D       F       G       R       S       T       IS       J       K       K       K       K       K       L       L       L       L       L       L   L   L       M       N       N       N       O       O   O   O        O       OI       E       O       OU       P       P       P       P       P       Q       Q       R       R       C       E       T       T   T   T   T   T       A       L       M       V       V       V       W       Y       Y       Y       Z       Z       Z        OE       A       AE       B       B       C       D       E       F       G       G       H       I       R       J       K       L       L       M       N       O       OE       O       OU       P       R       N       R       S       T       E       R       U       V       W       Y       Z       a       a       a        ae       av       b       b       b   b   b       b       o       c       c       c       d       d       d       d       d   d   d       d       d   i   i       j       j       j       dz       e       e       e       et        f       f       f       g       g   g   g       h       h   h   h       hv       i       i       d       f       g       r       s       t       is       j       j       k       k       k       k       k       k   l   l       l       l       l       l       l       l       l       l   l   l       s       s       s       m       m       m       n       n       n       n       n       n       o       o       o        o       oi       e       e       o       o       ou       p       p       p       p       p       p       p       q       q       q       q       r       r       r       r       r       r       r       c       c       e       r       s       s       s       s   g   g       o       o       u       t       t       t       t   t   t       t   t   t       th       a       ae       e       g       h       h       h       i       k       l       m       m       oe       r       r       r       r       t       v       w       y       u       ue       um       v       v       v       v       v       w       x       y       y       y       z       z       z       z       z       z   z   z       z        oe       x        const stringWithoutAccents   string normalize  NFD   replace    u0300- u036f  g           return stringWithoutAccents replace     u0000- u007E  g  character   gt  unicodeToAsciiMap character

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Shortened code based on the excellent solution by Ian Elliott   accentsTidy   function s       var r   s toLowerCase        non asciis     a                      ae          c          e                  i                  n          o                    oe          u           u       y                  for  i in non asciis    r   r replace new RegExp non asciis i    g    i         return r       Edit  Corrected non-working code

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function removeAccents strAccents       strAccents   strAccents split          strAccentsOut   new Array        strAccentsLen   strAccents length      var accents                                                                                                                                       var accentsOut     A   A   A   A   A   A   a   a   a   a   a   a   O   O   O   O   O   O   O   o   o   o   o   o   o   E   E   E   E   e   e   e   e   e   C   c   D   I   I   I   I   i   i   i   i   U   U   U   U   u   u   u   u   N   n   S   s   Y   y   y   Z   z        for  var y   0  y  lt  strAccentsLen  y              if  accents indexOf strAccents y      -1                strAccentsOut y    accentsOut accents indexOf strAccents y                       else             strAccentsOut y    strAccents y             strAccentsOut   strAccentsOut join          return strAccentsOut

User · Answer

thanks to all I use this version and say why  because I misses those explanations at the begining  so I try to help the next reader if he is as dull as me       Remark   I wanted an efficient solution  so     only one regexp compilation  if needed  only one string scan for each string an efficient way to find the translated characters etc       My version is    there is no new technical trick inside it  only some selected ones   explanations why   makeSortString    function         var translate re                       aaa            AAA  cc    CC               eeeee       EEEEE   gGi          iii           IIIlLnn  NN            ooo            OOO    r  R  s     S         uuuu        UUUU          zz  ZZ  g      var translate           1        2        3        a        a        a        a        a        a   a   a   a   a   a   a        a        a        a        a        a        a   A   a   A   a    A   a        a   c   c   c   c        c        c   C   c   C   c        c        d        d        e        e        e       e        e   e   e   e   e   e   e   e   e    e   e        e        e        e       e   E   e   E   e   E   e   E   e   E   e         e   g   g   G   g   i   i        i        i        i        i        i   i   i    i   i   i   i        i        i        i        i       i        i   I   i   I   i   I   i   l   l   L   l   n   n   n   n        n   N   n   N   n        n        o         o        o        o        o   o   o   o   o   o   o        o        o        o        o        o        o   O   o   O   o   O   o        o        o   r   r        r    R   r        s   s   s       s        s        s   S   s       s        u        u        u        u   u   u   u   u   u   u   u   u        u        u        u        u    U   u   U   u   U   u   U   u        y        y        y        y        z   z   z   z   z        z   Z   z   Z   z             return function s            return s replace translate re  function match  return translate match                      and I use it this way    var without accents   makeSortString  w  th      Tr  sB  g  eAk100t       I let you guess the result     no I was kidding you   I give you the result   witheuatresbigueak100t   Comments     Tthe instruction inside it is done once  after  makeSortString    undefined  function        is stored once in makeSortString  so the  big  translate re and translate objects are stored once When you call makeSortString  something   it call directly the inside function which calls only s replace        it is efficient s replace uses regexp  the special syntax of var translate re       is in fact equivalent to var translate re   new RegExp         Z    g    but the compilation of the regexp is done once for all  and the scan of the s String is done one for a call of the function  not for every character as it would be in a loop  For each character found s replace calls function match  where parameter match contains the character found  and it call the corresponding translated character  translate match   Translate match  is probably efficient too as the javascript translate object is probably implemented by javascript with a hashtab or something equivalent and allow the program to find the translated character almost directly and not for instance through a loop on a array of all characters to find the right one  which would be awfully unefficient

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This did it for me  JavaScript  Google Apps Scripts  GAS  function normalizetext text      var weird          o        u        O        U              amp              var normalized    ouooueaauiOUOOUEAAUIcC                    var idoff   -1 new text       var lentext   text toString   length -1  for  i   0  i  lt   lentext  i      idoff   weird search text charAt i    if  idoff    -1    new text   new text   text charAt i     else   new text   new text   normalized charAt idoff        return new text

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I used this gitHub dundalek s repository as Node module   https   github com dundalek latinize It s works simply like that    x000D   x000D  var latinize   require  latinize    latinize    A  l               cdenr  t  u         gt   ExAmPlE aeiouycdenrstzu  x000D   x000D   x000D

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I have forked billy s code  http   jsfiddle net billybraga UHmnf   from his post  into this  http   jsfiddle net infralabs dJX58   I corrected transcription of   and    characters and also added coversion of these ones                             The modified snippet is below   var defaultDiacriticsRemovalMap           base    A            letters      amp  65   amp  9398   amp  65313   amp  192   amp  193   amp  194   amp  7846   amp  7844   amp  7850   amp  7848   amp  195   amp  256   amp  258   amp  7856   amp  7854   amp  7860   amp  7858   amp  550   amp  480   amp  196   amp  478   amp  7842   amp  197   amp  506   amp  461   amp  512   amp  514   amp  7840   amp  7852   amp  7862   amp  7680   amp  260   amp  570   amp  11375    u0041 u24B6 uFF21 u00C0 u00C1 u00C2 u1EA6 u1EA4 u1EAA u1EA8 u00C3 u0100 u0102 u1EB0 u1EAE u1EB4 u1EB2 u0226 u01E0 u00C4 u01DE u1EA2 u00C5 u01FA u01CD u0200 u0202 u1EA0 u1EAC u1EB6 u1E00 u0104 u023A u2C6F   g           base    AA            letters      amp  42802    uA732   g           base    AE            letters      amp  198   amp  508   amp  482    u00C6 u01FC u01E2   g           base    AO            letters      amp  42804    uA734   g           base    AU            letters      amp  42806    uA736   g           base    AV            letters      amp  42808   amp  42810    uA738 uA73A   g           base    AY            letters      amp  42812    uA73C   g           base    B            letters      amp  66   amp  9399   amp  65314   amp  7682   amp  7684   amp  7686   amp  579   amp  386   amp  385    u0042 u24B7 uFF22 u1E02 u1E04 u1E06 u0243 u0182 u0181   g           base    C            letters      amp  67   amp  9400   amp  65315   amp  262   amp  264   amp  266   amp  268   amp  199   amp  7688   amp  391   amp  571   amp  42814    u0043 u24B8 uFF23 u0106 u0108 u010A u010C u00C7 u1E08 u0187 u023B uA73E   g           base    D            letters      amp  68   amp  9401   amp  65316   amp  7690   amp  270   amp  7692   amp  7696   amp  7698   amp  7694   amp  272   amp  395   amp  394   amp  393   amp  42873   amp  208    u0044 u24B9 uFF24 u1E0A u010E u1E0C u1E10 u1E12 u1E0E u0110 u018B u018A u0189 uA779 u00D0   g           base    DZ            letters      amp  497   amp  452    u01F1 u01C4   g           base    Dz            letters      amp  498   amp  453    u01F2 u01C5   g           base    E            letters      amp  69   amp  9402   amp  65317   amp  200   amp  201   amp  202   amp  7872   amp  7870   amp  7876   amp  7874   amp  7868   amp  274   amp  7700   amp  7702   amp  276   amp  278   amp  203   amp  7866   amp  282   amp  516   amp  518   amp  7864   amp  7878   amp  552   amp  7708   amp  280   amp  7704   amp  7706   amp  400   amp  398    u0045 u24BA uFF25 u00C8 u00C9 u00CA u1EC0 u1EBE u1EC4 u1EC2 u1EBC u0112 u1E14 u1E16 u0114 u0116 u00CB u1EBA u011A u0204 u0206 u1EB8 u1EC6 u0228 u1E1C u0118 u1E18 u1E1A u0190 u018E   g           base    F            letters      amp  70   amp  9403   amp  65318   amp  7710   amp  401   amp  42875    u0046 u24BB uFF26 u1E1E u0191 uA77B   g           base    G            letters      amp  71   amp  9404   amp  65319   amp  500   amp  284   amp  7712   amp  286   amp  288   amp  486   amp  290   amp  484   amp  403   amp  42912   amp  42877   amp  42878    u0047 u24BC uFF27 u01F4 u011C u1E20 u011E u0120 u01E6 u0122 u01E4 u0193 uA7A0 uA77D uA77E   g           base    H            letters      amp  72   amp  9405   amp  65320   amp  292   amp  7714   amp  7718   amp  542   amp  7716   amp  7720   amp  7722   amp  294   amp  11367   amp  11381   amp  42893    u0048 u24BD uFF28 u0124 u1E22 u1E26 u021E u1E24 u1E28 u1E2A u0126 u2C67 u2C75 uA78D   g           base    I            letters      amp  73   amp  9406   amp  65321   amp  204   amp  205   amp  206   amp  296   amp  298   amp  300   amp  304   amp  207   amp  7726   amp  7880   amp  463   amp  520   amp  522   amp  7882   amp  302   amp  7724   amp  407    u0049 u24BE uFF29 u00CC u00CD u00CE u0128 u012A u012C u0130 u00CF u1E2E u1EC8 u01CF u0208 u020A u1ECA u012E u1E2C u0197   g           base    J            letters      amp  74   amp  9407   amp  65322   amp  308   amp  584    u004A u24BF uFF2A u0134 u0248   g           base    K            letters      amp  75   amp  9408   amp  65323   amp  7728   amp  488   amp  7730   amp  310   amp  7732   amp  408   amp  11369   amp  42816   amp  42818   amp  42820   amp  42914    u004B u24C0 uFF2B u1E30 u01E8 u1E32 u0136 u1E34 u0198 u2C69 uA740 uA742 uA744 uA7A2   g           base    L            letters      amp  76   amp  9409   amp  65324   amp  319   amp  313   amp  317   amp  7734   amp  7736   amp  315   amp  7740   amp  7738   amp  321   amp  573   amp  11362   amp  11360   amp  42824   amp  42822   amp  42880    u004C u24C1 uFF2C u013F u0139 u013D u1E36 u1E38 u013B u1E3C u1E3A u0141 u023D u2C62 u2C60 uA748 uA746 uA780   g           base    LJ            letters      amp  455    u01C7   g           base    Lj            letters      amp  456    u01C8   g           base    M            letters      amp  77   amp  9410   amp  65325   amp  7742   amp  7744   amp  7746   amp  11374   amp  412    u004D u24C2 uFF2D u1E3E u1E40 u1E42 u2C6E u019C   g           base    N            letters      amp  78   amp  9411   amp  65326   amp  504   amp  323   amp  209   amp  7748   amp  327   amp  7750   amp  325   amp  7754   amp  7752   amp  544   amp  413   amp  42896   amp  42916   amp  330    u004E u24C3 uFF2E u01F8 u0143 u00D1 u1E44 u0147 u1E46 u0145 u1E4A u1E48 u0220 u019D uA790 uA7A4 u014A   g           base    NJ            letters      amp  458    u01CA   g           base    Nj            letters      amp  459    u01CB   g           base    O            letters      amp  79   amp  9412   amp  65327   amp  210   amp  211   amp  212   amp  7890   amp  7888   amp  7894   amp  7892   amp  213   amp  7756   amp  556   amp  7758   amp  332   amp  7760   amp  7762   amp  334   amp  558   amp  560   amp  214   amp  554   amp  7886   amp  336   amp  465   amp  524   amp  526   amp  416   amp  7900   amp  7898   amp  7904   amp  7902   amp  7906   amp  7884   amp  7896   amp  490   amp  492   amp  216   amp  510   amp  390   amp  415   amp  42826   amp  42828    u004F u24C4 uFF2F u00D2 u00D3 u00D4 u1ED2 u1ED0 u1ED6 u1ED4 u00D5 u1E4C u022C u1E4E u014C u1E50 u1E52 u014E u022E u0230 u00D6 u022A u1ECE u0150 u01D1 u020C u020E u01A0 u1EDC u1EDA u1EE0 u1EDE u1EE2 u1ECC u1ED8 u01EA u01EC u00D8 u01FE u0186 u019F uA74A uA74C   g           base    OE            letters      amp  338    u0152   g           base    OI            letters      amp  418    u01A2   g           base    OO            letters      amp  42830    uA74E   g           base    OU            letters      amp  546    u0222   g           base    P            letters      amp  80   amp  9413   amp  65328   amp  7764   amp  7766   amp  420   amp  11363   amp  42832   amp  42834   amp  42836    u0050 u24C5 uFF30 u1E54 u1E56 u01A4 u2C63 uA750 uA752 uA754   g           base    Q            letters      amp  81   amp  9414   amp  65329   amp  42838   amp  42840   amp  586    u0051 u24C6 uFF31 uA756 uA758 u024A   g           base    R            letters      amp  82   amp  9415   amp  65330   amp  340   amp  7768   amp  344   amp  528   amp  530   amp  7770   amp  7772   amp  342   amp  7774   amp  588   amp  11364   amp  42842   amp  42918   amp  42882    u0052 u24C7 uFF32 u0154 u1E58 u0158 u0210 u0212 u1E5A u1E5C u0156 u1E5E u024C u2C64 uA75A uA7A6 uA782   g           base    S            letters      amp  83   amp  9416   amp  65331   amp  7838   amp  346   amp  7780   amp  348   amp  7776   amp  352   amp  7782   amp  7778   amp  7784   amp  536   amp  350   amp  11390   amp  42920   amp  42884    u0053 u24C8 uFF33 u1E9E u015A u1E64 u015C u1E60 u0160 u1E66 u1E62 u1E68 u0218 u015E u2C7E uA7A8 uA784   g           base    T            letters      amp  84   amp  9417   amp  65332   amp  7786   amp  356   amp  7788 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User · Answer

A more complete version with case sensitive support  ligatures and whatnot  Original source at  http   lehelk com 2011 05 06 script-to-remove-diacritics   var defaultDiacriticsRemovalMap           base   A    letters     u0041 u24B6 uFF21 u00C0 u00C1 u00C2 u1EA6 u1EA4 u1EAA u1EA8 u00C3 u0100 u0102 u1EB0 u1EAE u1EB4 u1EB2 u0226 u01E0 u00C4 u01DE u1EA2 u00C5 u01FA u01CD u0200 u0202 u1EA0 u1EAC u1EB6 u1E00 u0104 u023A u2C6F  g         base   AA   letters     uA732  g         base   AE   letters     u00C6 u01FC u01E2  g         base   AO   letters     uA734  g         base   AU   letters     uA736  g         base   AV   letters     uA738 uA73A  g         base   AY   letters     uA73C  g         base   B    letters     u0042 u24B7 uFF22 u1E02 u1E04 u1E06 u0243 u0182 u0181  g         base   C    letters     u0043 u24B8 uFF23 u0106 u0108 u010A u010C u00C7 u1E08 u0187 u023B uA73E  g         base   D    letters     u0044 u24B9 uFF24 u1E0A u010E u1E0C u1E10 u1E12 u1E0E u0110 u018B u018A u0189 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base   d    letters     u0064 u24D3 uFF44 u1E0B u010F u1E0D u1E11 u1E13 u1E0F u0111 u018C u0256 u0257 uA77A  g         base   dz   letters     u01F3 u01C6  g         base   e    letters     u0065 u24D4 uFF45 u00E8 u00E9 u00EA u1EC1 u1EBF u1EC5 u1EC3 u1EBD u0113 u1E15 u1E17 u0115 u0117 u00EB u1EBB u011B u0205 u0207 u1EB9 u1EC7 u0229 u1E1D u0119 u1E19 u1E1B u0247 u025B u01DD  g         base   f    letters     u0066 u24D5 uFF46 u1E1F u0192 uA77C  g         base   g    letters     u0067 u24D6 uFF47 u01F5 u011D u1E21 u011F u0121 u01E7 u0123 u01E5 u0260 uA7A1 u1D79 uA77F  g         base   h    letters     u0068 u24D7 uFF48 u0125 u1E23 u1E27 u021F u1E25 u1E29 u1E2B u1E96 u0127 u2C68 u2C76 u0265  g         base   hv   letters     u0195  g         base   i    letters     u0069 u24D8 uFF49 u00EC u00ED u00EE u0129 u012B u012D u00EF u1E2F u1EC9 u01D0 u0209 u020B u1ECB u012F u1E2D u0268 u0131  g         base   j    letters     u006A u24D9 uFF4A u0135 u01F0 u0249  g         base   k    letters     u006B u24DA uFF4B u1E31 u01E9 u1E33 u0137 u1E35 u0199 u2C6A uA741 uA743 uA745 uA7A3  g         base   l    letters     u006C u24DB uFF4C u0140 u013A u013E u1E37 u1E39 u013C u1E3D u1E3B u017F u0142 u019A u026B u2C61 uA749 uA781 uA747  g         base   lj   letters     u01C9  g         base   m    letters     u006D u24DC uFF4D u1E3F u1E41 u1E43 u0271 u026F  g         base   n    letters     u006E u24DD uFF4E u01F9 u0144 u00F1 u1E45 u0148 u1E47 u0146 u1E4B u1E49 u019E u0272 u0149 uA791 uA7A5  g         base   nj   letters     u01CC  g         base   o    letters     u006F u24DE uFF4F u00F2 u00F3 u00F4 u1ED3 u1ED1 u1ED7 u1ED5 u00F5 u1E4D u022D u1E4F u014D u1E51 u1E53 u014F u022F u0231 u00F6 u022B u1ECF u0151 u01D2 u020D u020F u01A1 u1EDD u1EDB u1EE1 u1EDF u1EE3 u1ECD u1ED9 u01EB u01ED u00F8 u01FF u0254 uA74B uA74D u0275  g         base   oi   letters     u01A3  g         base   ou   letters     u0223  g         base   oo   letters     uA74F  g         base   p   letters     u0070 u24DF uFF50 u1E55 u1E57 u01A5 u1D7D uA751 uA753 uA755  g         base   q   letters     u0071 u24E0 uFF51 u024B uA757 uA759  g         base   r   letters     u0072 u24E1 uFF52 u0155 u1E59 u0159 u0211 u0213 u1E5B u1E5D u0157 u1E5F u024D u027D uA75B uA7A7 uA783  g         base   s   letters     u0073 u24E2 uFF53 u00DF u015B u1E65 u015D u1E61 u0161 u1E67 u1E63 u1E69 u0219 u015F u023F uA7A9 uA785 u1E9B  g         base   t   letters     u0074 u24E3 uFF54 u1E6B u1E97 u0165 u1E6D u021B u0163 u1E71 u1E6F u0167 u01AD u0288 u2C66 uA787  g         base   tz   letters     uA729  g         base   u   letters     u0075 u24E4 uFF55 u00F9 u00FA u00FB u0169 u1E79 u016B u1E7B u016D u00FC u01DC u01D8 u01D6 u01DA u1EE7 u016F u0171 u01D4 u0215 u0217 u01B0 u1EEB u1EE9 u1EEF u1EED u1EF1 u1EE5 u1E73 u0173 u1E77 u1E75 u0289  g         base   v   letters     u0076 u24E5 uFF56 u1E7D u1E7F u028B uA75F u028C  g         base   vy   letters     uA761  g         base   w   letters     u0077 u24E6 uFF57 u1E81 u1E83 u0175 u1E87 u1E85 u1E98 u1E89 u2C73  g         base   x   letters     u0078 u24E7 uFF58 u1E8B u1E8D  g         base   y   letters     u0079 u24E8 uFF59 u1EF3 u00FD u0177 u1EF9 u0233 u1E8F u00FF u1EF7 u1E99 u1EF5 u01B4 u024F u1EFF  g         base   z   letters     u007A u24E9 uFF5A u017A u1E91 u017C u017E u1E93 u1E95 u01B6 u0225 u0240 u2C6C uA763  g     var changes  function removeDiacritics  str        if  changes            changes   defaultDiacriticsRemovalMap            for var i 0  i lt changes length  i              str   str replace changes i  letters  changes i  base             return str

User · Answer

tested fastest way to remove diacritics from the string that covers almost all characters is this    found highest performance among all the other methods   Diacritics Map  var diacriticsMap       u0041    A    u24B6    A    uFF21    A    u00C0    A    u00C1    A    u00C2    A    u1EA6    A    u1EA4    A    u1EAA    A    u1EA8    A     u00C3    A    u0100    A    u0102    A    u1EB0    A    u1EAE    A    u1EB4    A    u1EB2    A    u0226    A    u01E0    A    u00C4    A     u01DE    A    u1EA2    A    u00C5    A    u01FA    A    u01CD    A    u0200    A    u0202    A    u1EA0    A    u1EAC    A    u1EB6    A     u1E00    A    u0104    A    u023A    A    u2C6F    A      uA732    AA     u00C6    AE    u01FC    AE    u01E2    AE     uA734    AO     uA736    AU     uA738    AV    uA73A    AV     uA73C    AY     u0042    B    u24B7    B    uFF22    B    u1E02    B    u1E04    B    u1E06    B    u0243    B    u0182    B    u0181    B      u0043    C    u24B8    C    uFF23    C    u0106    C    u0108    C    u010A    C    u010C    C    u00C7    C    u1E08    C    u0187    C     u023B    C    uA73E    C      u0044    D    u24B9    D    uFF24    D    u1E0A    D    u010E    D    u1E0C    D    u1E10    D    u1E12    D    u1E0E    D    u0110    D     u018B    D    u018A    D    u0189    D    uA779    D      u01F1    DZ    u01C4    DZ     u01F2    Dz    u01C5    Dz      u0045    E    u24BA    E    uFF25    E    u00C8    E    u00C9    E    u00CA    E    u1EC0    E    u1EBE    E    u1EC4    E    u1EC2    E     u1EBC    E    u0112    E    u1E14    E    u1E16    E    u0114    E    u0116    E    u00CB    E    u1EBA    E    u011A    E    u0204    E     u0206    E    u1EB8    E    u1EC6    E    u0228    E    u1E1C    E    u0118    E    u1E18    E    u1E1A    E    u0190    E    u018E    E      u0046    F    u24BB    F    uFF26    F    u1E1E    F    u0191    F    uA77B    F      u0047    G    u24BC    G    uFF27    G    u01F4    G    u011C    G    u1E20    G    u011E    G    u0120    G    u01E6    G    u0122    G     u01E4    G    u0193    G    uA7A0    G    uA77D    G    uA77E    G      u0048    H    u24BD    H    uFF28    H    u0124    H    u1E22    H    u1E26    H    u021E    H    u1E24    H    u1E28    H    u1E2A    H     u0126    H    u2C67    H    u2C75    H    uA78D    H      u0049    I    u24BE    I    uFF29    I    u00CC    I    u00CD    I    u00CE    I    u0128    I    u012A    I    u012C    I    u0130    I     u00CF    I    u1E2E    I    u1EC8    I    u01CF    I    u0208    I    u020A    I    u1ECA    I    u012E    I    u1E2C    I    u0197    I      u004A    J    u24BF    J    uFF2A    J    u0134    J    u0248    J      u004B    K    u24C0    K    uFF2B    K    u1E30    K    u01E8    K    u1E32    K    u0136    K    u1E34    K    u0198    K    u2C69    K     uA740    K    uA742    K    uA744    K    uA7A2    K      u004C    L    u24C1    L    uFF2C    L    u013F    L    u0139    L    u013D    L    u1E36    L    u1E38    L    u013B    L    u1E3C    L     u1E3A    L    u0141    L    u023D    L    u2C62    L    u2C60    L    uA748    L    uA746    L    uA780    L      u01C7    LJ     u01C8    Lj     u004D    M    u24C2    M    uFF2D    M    u1E3E    M    u1E40    M    u1E42    M    u2C6E    M    u019C    M      u004E    N    u24C3    N    uFF2E    N    u01F8    N    u0143    N    u00D1    N    u1E44    N    u0147    N    u1E46    N    u0145    N     u1E4A    N    u1E48    N    u0220    N    u019D    N    uA790    N    uA7A4    N      u01CA    NJ     u01CB    Nj      u004F    O    u24C4    O    uFF2F    O    u00D2    O    u00D3    O    u00D4    O    u1ED2    O    u1ED0    O    u1ED6    O    u1ED4    O     u00D5    O    u1E4C    O    u022C    O    u1E4E    O    u014C    O    u1E50    O    u1E52    O    u014E    O    u022E    O    u0230    O     u00D6    O    u022A    O    u1ECE    O    u0150    O    u01D1    O    u020C    O    u020E    O    u01A0    O    u1EDC    O    u1EDA    O     u1EE0    O    u1EDE    O    u1EE2    O    u1ECC    O    u1ED8    O    u01EA    O    u01EC    O    u00D8    O    u01FE    O    u0186    O     u019F    O    uA74A    O    uA74C    O      u01A2    OI     uA74E    OO     u0222    OU     u0050    P    u24C5    P    uFF30    P    u1E54    P    u1E56    P    u01A4    P    u2C63    P    uA750    P    uA752    P    uA754    P     u0051    Q    u24C6    Q    uFF31    Q    uA756    Q    uA758    Q    u024A    Q      u0052    R    u24C7    R    uFF32    R    u0154    R    u1E58    R    u0158    R    u0210    R    u0212    R    u1E5A    R    u1E5C    R     u0156    R    u1E5E    R    u024C    R    u2C64    R    uA75A    R    uA7A6    R    uA782    R      u0053    S    u24C8    S    uFF33    S    u1E9E    S    u015A    S    u1E64    S    u015C    S    u1E60    S    u0160    S    u1E66    S     u1E62    S    u1E68    S    u0218    S    u015E    S    u2C7E    S    uA7A8    S    uA784    S      u0054    T    u24C9    T    uFF34    T    u1E6A    T    u0164    T    u1E6C    T    u021A    T    u0162    T    u1E70    T    u1E6E    T     u0166    T    u01AC    T    u01AE    T    u023E    T    uA786    T      uA728    TZ      u0055    U    u24CA    U    uFF35    U    u00D9    U    u00DA    U    u00DB    U    u0168    U    u1E78    U    u016A    U    u1E7A    U     u016C    U    u00DC    U    u01DB    U    u01D7    U    u01D5    U    u01D9    U    u1EE6    U    u016E    U    u0170    U    u01D3    U     u0214    U    u0216    U    u01AF    U    u1EEA    U    u1EE8    U    u1EEE    U    u1EEC    U    u1EF0    U    u1EE4    U    u1E72    U     u0172    U    u1E76    U    u1E74    U    u0244    U      u0056    V    u24CB    V    uFF36    V    u1E7C    V    u1E7E    V    u01B2    V    uA75E    V    u0245    V     uA760    VY     u0057    W    u24CC    W    uFF37    W    u1E80    W    u1E82    W    u0174    W    u1E86    W    u1E84    W    u1E88    W    u2C72    W     u0058    X    u24CD    X    uFF38    X    u1E8A    X    u1E8C    X      u0059    Y    u24CE    Y    uFF39    Y    u1EF2    Y    u00DD    Y    u0176    Y    u1EF8    Y    u0232    Y    u1E8E    Y    u0178    Y     u1EF6    Y    u1EF4    Y    u01B3    Y    u024E    Y    u1EFE    Y      u005A    Z    u24CF    Z    uFF3A    Z    u0179    Z    u1E90    Z    u017B    Z    u017D    Z    u1E92    Z    u1E94    Z    u01B5    Z     u0224    Z    u2C7F    Z    u2C6B    Z    uA762    Z      u0061    a    u24D0    a    uFF41    a    u1E9A    a    u00E0    a    u00E1    a    u00E2    a    u1EA7    a    u1EA5    a    u1EAB    a     u1EA9    a    u00E3    a    u0101    a    u0103    a    u1EB1    a    u1EAF    a    u1EB5    a    u1EB3    a    u0227    a    u01E1    a     u00E4    a    u01DF    a    u1EA3    a    u00E5    a    u01FB    a    u01CE    a    u0201    a    u0203    a    u1EA1    a    u1EAD    a     u1EB7    a    u1E01    a    u0105    a    u2C65    a    u0250    a      uA733    aa     u00E6    ae    u01FD    ae    u01E3    ae     uA735    ao     uA737    au     uA739    av    uA73B    av     uA73D    ay     u0062    b    u24D1    b    uFF42    b    u1E03    b    u1E05    b    u1E07    b    u0180    b    u0183    b    u0253    b      u0063    c    u24D2    c    uFF43    c    u0107    c    u0109    c    u010B    c    u010D    c    u00E7    c    u1E09    c    u0188    c     u023C    c    uA73F    c    u2184    c      u0064    d    u24D3    d    uFF44    d    u1E0B    d    u010F    d    u1E0D    d    u1E11    d    u1E13    d    u1E0F    d    u0111    d     u018C    d    u0256    d    u0257    d    uA77A    d      u01F3    dz    u01C6    dz      u0065    e    u24D4    e    uFF45    e    u00E8    e    u00E9    e    u00EA    e    u1EC1    e    u1EBF    e    u1EC5    e    u1EC3    e     u1EBD    e    u0113    e    u1E15    e    u1E17    e    u0115    e    u0117    e    u00EB    e    u1EBB    e    u011B    e    u0205    e     u0207    e    u1EB9    e    u1EC7    e    u0229    e    u1E1D    e    u0119    e    u1E19    e    u1E1B    e    u0247    e    u025B    e     u01DD    e      u0066    f    u24D5    f    uFF46    f    u1E1F    f    u0192    f    uA77C    f      u0067    g    u24D6    g    uFF47    g    u01F5    g    u011D    g    u1E21    g    u011F    g    u0121    g    u01E7    g    u0123    g     u01E5    g    u0260    g    uA7A1    g    u1D79    g    uA77F    g      u0068    h    u24D7    h    uFF48    h    u0125    h    u1E23    h    u1E27    h    u021F    h    u1E25    h    u1E29    h    u1E2B    h     u1E96    h    u0127    h    u2C68    h    u2C76    h    u0265    h      u0195    hv      u0069    i    u24D8    i    uFF49    i    u00EC    i    u00ED    i    u00EE    i    u0129    i    u012B    i    u012D    i    u00EF    i     u1E2F    i    u1EC9    i    u01D0    i    u0209    i    u020B    i    u1ECB    i    u012F    i    u1E2D    i    u0268    i    u0131    i      u006A    j    u24D9    j    uFF4A    j    u0135    j    u01F0    j    u0249    j      u006B    k    u24DA    k    uFF4B    k    u1E31    k    u01E9    k    u1E33    k    u0137    k    u1E35    k    u0199    k    u2C6A    k     uA741    k    uA743    k    uA745    k    uA7A3    k      u006C    l    u24DB    l    uFF4C    l    u0140    l    u013A    l    u013E    l    u1E37    l    u1E39    l    u013C    l    u1E3D    l     u1E3B    l    u017F    l    u0142    l    u019A    l    u026B    l    u2C61    l    uA749    l    uA781    l    uA747    l      u01C9    lj     u006D    m    u24DC    m    uFF4D    m    u1E3F    m    u1E41    m    u1E43    m    u0271    m    u026F    m      u006E    n    u24DD    n    uFF4E    n    u01F9    n    u0144    n    u00F1    n    u1E45    n    u0148    n    u1E47    n    u0146    n     u1E4B    n    u1E49    n    u019E    n    u0272    n    u0149    n    uA791    n    uA7A5    n      u01CC    nj      u006F    o    u24DE    o    uFF4F    o    u00F2    o    u00F3    o    u00F4    o    u1ED3    o    u1ED1    o    u1ED7    o    u1ED5    o     u00F5    o    u1E4D    o    u022D    o    u1E4F    o    u014D    o    u1E51    o    u1E53    o    u014F    o    u022F    o    u0231    o     u00F6    o    u022B    o    u1ECF    o    u0151    o    u01D2    o    u020D    o    u020F    o    u01A1    o    u1EDD    o    u1EDB    o     u1EE1    o    u1EDF    o    u1EE3    o    u1ECD    o    u1ED9    o    u01EB    o    u01ED    o    u00F8    o    u01FF    o    u0254    o     uA74B    o    uA74D    o    u0275    o      u01A3    oi     u0223    ou     uA74F    oo     u0070    p    u24DF    p    uFF50    p    u1E55    p    u1E57    p    u01A5    p    u1D7D    p    uA751    p    uA753    p    uA755    p     u0071    q    u24E0    q    uFF51    q    u024B    q    uA757    q    uA759    q      u0072    r    u24E1    r    uFF52    r    u0155    r    u1E59    r    u0159    r    u0211    r    u0213    r    u1E5B    r    u1E5D    r     u0157    r    u1E5F    r    u024D    r    u027D    r    uA75B    r    uA7A7    r    uA783    r      u0073    s    u24E2    s    uFF53    s    u00DF    s    u015B    s    u1E65    s    u015D    s    u1E61    s    u0161    s    u1E67    s     u1E63    s    u1E69    s    u0219    s    u015F    s    u023F    s    uA7A9    s    uA785    s    u1E9B    s      u0074    t    u24E3    t    uFF54    t    u1E6B    t    u1E97    t    u0165    t    u1E6D    t    u021B    t    u0163    t    u1E71    t     u1E6F    t    u0167    t    u01AD    t    u0288    t    u2C66    t    uA787    t      uA729    tz      u0075    u    u24E4    u    uFF55    u    u00F9    u    u00FA    u    u00FB    u    u0169    u    u1E79    u    u016B    u    u1E7B    u     u016D    u    u00FC    u    u01DC    u    u01D8    u    u01D6    u    u01DA    u    u1EE7    u    u016F    u    u0171    u    u01D4    u     u0215    u    u0217    u    u01B0    u    u1EEB    u    u1EE9    u    u1EEF    u    u1EED    u    u1EF1    u    u1EE5    u    u1E73    u     u0173    u    u1E77    u    u1E75    u    u0289    u      u0076    v    u24E5    v    uFF56    v    u1E7D    v    u1E7F    v    u028B    v    uA75F    v    u028C    v     uA761    vy     u0077    w    u24E6    w    uFF57    w    u1E81    w    u1E83    w    u0175    w    u1E87    w    u1E85    w    u1E98    w    u1E89    w     u2C73    w     u0078    x    u24E7    x    uFF58    x    u1E8B    x    u1E8D    x      u0079    y    u24E8    y    uFF59    y    u1EF3    y    u00FD    y    u0177    y    u1EF9    y    u0233    y    u1E8F    y    u00FF    y     u1EF7    y    u1E99    y    u1EF5    y    u01B4    y    u024F    y    u1EFF    y      u007A    z    u24E9    z    uFF5A    z    u017A    z    u1E91    z    u017C    z    u017E    z    u1E93    z    u1E95    z    u01B6    z     u0225    z    u0240    z    u2C6C    z    uA763    z        Use  function removeDicretics str        return str replace     u0000- u007E  g  function  weirdo            return diacriticsMap weirdo     weirdo               Call var cleanStr   removeDicretics  bullsh  t       bullshit

User · Answer

A simpler way to replace the diacriticals   function replaceDiacritics str      var diacritics          char   A   base     300- 306  g        char   a   base     340- 346  g        char   E   base     310- 313  g        char   e   base     350- 353  g        char   I   base     314- 317  g        char   i   base     354- 357  g        char   O   base     322- 330  g        char   o   base     362- 370  g        char   U   base     331- 334  g        char   u   base     371- 374  g        char   N   base     321  g        char   n   base     361  g        char   C   base     307  g        char   c   base     347  g         diacritics forEach function letter       str   str replace letter base  letter char            return str

User · Answer

If you re also interesting in converting Greek characters to Latin  I ve included the Greek alhpabet along with some digraphs  it can also be used for a form of combined orthographic and phonetic Greeklish  Also  this version accepts optional options with   override Object  replace string - gt  search regex       It overrides the default replacements ignore Array lt string   regex gt    string Ignores the list items which can be strings or regular expressions   x000D   x000D  const defaultDiacriticsRemovalMap        1       u00B9  g     2       u00B2  g     3       u00B3  g      AU     u0391 u03A5  u0386 u03A5 g     EU     u0395 u03A5  u0388 u03A5 g     OU     u039F u03A5  u039F u038E g     au     u03B1 u03C5  u03AC u03C5 g     eu     u03B5 u03C5  u03AD u03C5 g     ou     u03BF u03C5  u03BF u03CD g     Au     u0391 u03C5  u0386 u03C5 g     Eu     u0395 u03C5  u0388 u03C5 g     Ou     u039F u03C5  u039F u03CD g      A       u0391 u0386 u0041 u24B6 uFF21 u00C0 u00C1 u00C2 u1EA6 u1EA4 u1EAA u1EA8 u00C3 u0100 u0102 u1EB0 u1EAE u1EB4 u1EB2 u0226 u01E0 u00C4 u01DE u1EA2 u00C5 u01FA u01CD u0200 u0202 u1EA0 u1EAC u1EB6 u1E00 u0104 u023A u2C6F  g     AA      uA732  g     AE      u00C6 u01FC u01E2  g     AF      u00C6 u01FC u01E2  g     AO      uA734  g     AU      uA736  g     AV      uA738 uA73A  g     AY      uA73C  g     B       u0392 u0042 u24B7 uFF22 u1E02 u1E04 u1E06 u0243 u0182 u0181  g     C       u0043 u24B8 uFF23 u0106 u0108 u010A u010C u00C7 u1E08 u0187 u023B uA73E  g     D       u00D0 u0394 u0044 u24B9 uFF24 u1E0A u010E u1E0C u1E10 u1E12 u1E0E u0110 u018B u018A u0189 uA779  g     DZ      u01F1 u01C4  g     Dz      u01F2 u01C5  g     E       u0395 u0388 u0045 u24BA uFF25 u00C8 u00C9 u00CA u1EC0 u1EBE u1EC4 u1EC2 u1EBC u0112 u1E14 u1E16 u0114 u0116 u00CB u1EBA u011A u0204 u0206 u1EB8 u1EC6 u0228 u1E1C u0118 u1E18 u1E1A u0190 u018E  g     F       u03A6 u0046 u24BB uFF26 u1E1E u0191 uA77B  g     G       u0393 u0047 u24BC uFF27 u01F4 u011C u1E20 u011E u0120 u01E6 u0122 u01E4 u0193 uA7A0 uA77D uA77E  g     H       u0397 u0389 u0048 u24BD uFF28 u0124 u1E22 u1E26 u021E u1E24 u1E28 u1E2A u0126 u2C67 u2C75 uA78D  g     I       u0399 u038A u03AA u0049 u24BE uFF29 u00CC u00CD u00CE u0128 u012A u012C u0130 u00CF u1E2E u1EC8 u01CF u0208 u020A u1ECA u012E u1E2C u0197  g     J       u004A u24BF uFF2A u0134 u0248  g     K       u039A u004B u24C0 uFF2B u1E30 u01E8 u1E32 u0136 u1E34 u0198 u2C69 uA740 uA742 uA744 uA7A2  g     KS      u039E  g     L       u039B u004C u24C1 uFF2C u013F u0139 u013D u1E36 u1E38 u013B u1E3C u1E3A u0141 u023D u2C62 u2C60 uA748 uA746 uA780  g     LJ      u01C7  g     Lj      u01C8  g     M       u039C u004D u24C2 uFF2D u1E3E u1E40 u1E42 u2C6E u019C  g     N       u039D u004E u24C3 uFF2E u01F8 u0143 u00D1 u1E44 u0147 u1E46 u0145 u1E4A u1E48 u0220 u019D uA790 uA7A4  g     NJ      u01CA  g     Nj      u01CB  g     O       u038C u039F u03A9 u038F u004F u24C4 uFF2F u00D2 u00D3 u00D4 u1ED2 u1ED0 u1ED6 u1ED4 u00D5 u1E4C u022C u1E4E u014C u1E50 u1E52 u014E u022E u0230 u00D6 u022A u1ECE u0150 u01D1 u020C u020E u01A0 u1EDC u1EDA u1EE0 u1EDE u1EE2 u1ECC u1ED8 u01EA u01EC u00D8 u01FE u0186 u019F uA74A uA74C  g     OE      u0152  g     OI      u01A2  g     OO      uA74E  g     OU      u0222  g     P       u03A0 u0050 u24C5 uFF30 u1E54 u1E56 u01A4 u2C63 uA750 uA752 uA754  g     PS      u03A8  g     Q       u0051 u24C6 uFF31 uA756 uA758 u024A  g     R       u03A1 u0052 u24C7 uFF32 u0154 u1E58 u0158 u0210 u0212 u1E5A u1E5C u0156 u1E5E u024C u2C64 uA75A uA7A6 uA782  g     S       u03A3 u0053 u24C8 uFF33 u1E9E u015A u1E64 u015C u1E60 u0160 u1E66 u1E62 u1E68 u0218 u015E u2C7E uA7A8 uA784  g     T       u03A4 u0054 u24C9 uFF34 u1E6A u0164 u1E6C u021A u0162 u1E70 u1E6E u0166 u01AC u01AE u023E uA786  g     TZ      uA728  g     TH      u0398  g     U       u0055 u24CA uFF35 u00D9 u00DA u00DB u0168 u1E78 u016A u1E7A u016C u00DC u01DB u01D7 u01D5 u01D9 u1EE6 u016E u0170 u01D3 u0214 u0216 u01AF u1EEA u1EE8 u1EEE u1EEC u1EF0 u1EE4 u1E72 u0172 u1E76 u1E74 u0244  g     V       u0056 u24CB uFF36 u1E7C u1E7E u01B2 uA75E u0245  g     VY      uA760  g     W       u0057 u24CC uFF37 u1E80 u1E82 u0174 u1E86 u1E84 u1E88 u2C72  g     X       u03A7 u0058 u24CD uFF38 u1E8A u1E8C  g     Y       u03A5 u038E u03AB u0059 u24CE uFF39 u1EF2 u00DD u0176 u1EF8 u0232 u1E8E u0178 u1EF6 u1EF4 u01B3 u024E u1EFE  g     Z       u0396 u005A u24CF uFF3A u0179 u1E90 u017B u017D u1E92 u1E94 u01B5 u0224 u2C7F u2C6B uA762  g     a       u03B1 u03AC u0061 u24D0 uFF41 u1E9A u00E0 u00E1 u00E2 u1EA7 u1EA5 u1EAB u1EA9 u00E3 u0101 u0103 u1EB1 u1EAF u1EB5 u1EB3 u0227 u01E1 u00E4 u01DF u1EA3 u00E5 u01FB u01CE u0201 u0203 u1EA1 u1EAD u1EB7 u1E01 u0105 u2C65 u0250  g     aa      uA733  g     ae      u00E6 u01FD u01E3  g     ao      uA735  g     au      uA737  g     av      uA739 uA73B  g     ay      uA73D  g     b       u03B2 u0062 u24D1 uFF42 u1E03 u1E05 u1E07 u0180 u0183 u0253  g     c       u00A9 u0063 u24D2 uFF43 u0107 u0109 u010B u010D u00E7 u1E09 u0188 u023C uA73F u2184  g     d       u03B4 u0064 u24D3 uFF44 u1E0B u010F u1E0D u1E11 u1E13 u1E0F u0111 u018C u0256 u0257 uA77A  g     dz      u01F3 u01C6  g     e       u20AC u00F0 u03B5 u03AD u0065 u24D4 uFF45 u00E8 u00E9 u00EA u1EC1 u1EBF u1EC5 u1EC3 u1EBD u0113 u1E15 u1E17 u0115 u0117 u00EB u1EBB u011B u0205 u0207 u1EB9 u1EC7 u0229 u1E1D u0119 u1E19 u1E1B u0247 u025B u01DD  g     f       u03C6 u0066 u24D5 uFF46 u1E1F u0192 uA77C  g     g       u03B3 u0067 u24D6 uFF47 u01F5 u011D u1E21 u011F u0121 u01E7 u0123 u01E5 u0260 uA7A1 u1D79 uA77F  g     h       u0068 u24D7 uFF48 u0125 u1E23 u1E27 u021F u1E25 u1E29 u1E2B u1E96 u0127 u2C68 u2C76 u0265  g     hv      u0195  g     i       u03B9 u03AF u03CA u0390 u03B7 u03AE u0069 u24D8 uFF49 u00EC u00ED u00EE u0129 u012B u012D u00EF u1E2F u1EC9 u01D0 u0209 u020B u1ECB u012F u1E2D u0268 u0131  g     j       u006A u24D9 uFF4A u0135 u01F0 u0249  g     k       u03BA u006B u24DA uFF4B u1E31 u01E9 u1E33 u0137 u1E35 u0199 u2C6A uA741 uA743 uA745 uA7A3  g     ks      u03BE  g     l       u03BB u006C u24DB uFF4C u0140 u013A u013E u1E37 u1E39 u013C u1E3D u1E3B u017F u0142 u019A u026B u2C61 uA749 uA781 uA747  g     lj      u01C9  g     m       u03BC u006D u24DC uFF4D u1E3F u1E41 u1E43 u0271 u026F  g     n       u03BD u006E u24DD uFF4E u01F9 u0144 u00F1 u1E45 u0148 u1E47 u0146 u1E4B u1E49 u019E u0272 u0149 uA791 uA7A5  g     nj      u01CC  g     o       u03C9 u03CE u03CC u03BF u006F u24DE uFF4F u00F2 u00F3 u00F4 u1ED3 u1ED1 u1ED7 u1ED5 u00F5 u1E4D u022D u1E4F u014D u1E51 u1E53 u014F u022F u0231 u00F6 u022B u1ECF u0151 u01D2 u020D u020F u01A1 u1EDD u1EDB u1EE1 u1EDF u1EE3 u1ECD u1ED9 u01EB u01ED u00F8 u01FF u0254 uA74B uA74D u0275  g     oe      u0153  g     oi      u01A3  g     ou      u0223  g     oo      uA74F  g     p       u03C0 u0070 u24DF uFF50 u1E55 u1E57 u01A5 u1D7D uA751 uA753 uA755  g     ps      u03C8  g     q       u0071 u24E0 uFF51 u024B uA757 uA759  g     r       u00AE u03C1 u0072 u24E1 uFF52 u0155 u1E59 u0159 u0211 u0213 u1E5B u1E5D u0157 u1E5F u024D u027D uA75B uA7A7 uA783  g     s       u03C2 u03C3 u0073 u24E2 uFF53 u00DF u015B u1E65 u015D u1E61 u0161 u1E67 u1E63 u1E69 u0219 u015F u023F uA7A9 uA785 u1E9B  g     t       u03C4 u0074 u24E3 uFF54 u1E6B u1E97 u0165 u1E6D u021B u0163 u1E71 u1E6F u0167 u01AD u0288 u2C66 uA787  g     tz      uA729  g     th      u03B8  g     u       u00B5 u0075 u24E4 uFF55 u00F9 u00FA u00FB u0169 u1E79 u016B u1E7B u016D u00FC u01DC u01D8 u01D6 u01DA u1EE7 u016F u0171 u01D4 u0215 u0217 u01B0 u1EEB u1EE9 u1EEF u1EED u1EF1 u1EE5 u1E73 u0173 u1E77 u1E75 u0289  g     v       u0076 u24E5 uFF56 u1E7D u1E7F u028B uA75F u028C  g     vy      uA761  g     w       u0077 u24E6 uFF57 u1E81 u1E83 u0175 u1E87 u1E85 u1E98 u1E89 u2C73  g     x       u03C7 u0078 u24E7 uFF58 u1E8B u1E8D  g     y       u03C5 u03CD u03CB u0079 u24E8 uFF59 u1EF3 u00FD u0177 u1EF9 u0233 u1E8F u00FF u1EF7 u1E99 u1EF5 u01B4 u024F u1EFF  g     z       u03B6 u007A u24E9 uFF5A u017A u1E91 u017C u017E u1E93 u1E95 u01B6 u0225 u0240 u2C6C uA763  g      function removeAccent str      override    ignore                Function to convert strings to unicode char code escape strings   const toHex   s   gt  s split     map c   gt     u  c charCodeAt   toString 16  padStart 4   0      join         const useToIgnore   ignore  amp  amp  typeof ignore       string    ignore split       ignore        For every ignore item  replace it with   uXXXX  so we ll get it back when we finish   let useStr   useToIgnore        useToIgnore reduce  acc  cur    gt         acc replace cur  m   gt      toHex m       str        str        Loop through overrides first   if  override        for  const base in override          useStr   useStr replace override base   base                   Loop through the defaults   for  const base in defaultDiacriticsRemovalMap        useStr   useStr replace defaultDiacriticsRemovalMap base   base             Restore ignored mappings   return useToIgnore       useStr replace               u  0-9a-f        g          m  g1  hex    gt  String fromCharCode parseInt hex  16               useStr        Helper function to convert and print the subjects RegExp prototype toJSON   RegExp prototype toString  function print  str  options       const subjects   document getElementById  subjects      const result   document createElement  div      result className    result      if  options        const opts   document createElement  div        opts textContent   JSON stringify options      n       result appendChild opts          const texts   document createTextNode         str  n       removeAccent str  options   n      result appendChild texts     subjects appendChild result         The subjects with some options const subjects         Mon caf   est plein de caf    ne           a  a   e           st   a  p    a    p  st   e  a           pa t e                    e     st   -  a  p ta                                                                                                                                                                aaa            AAA  cc    CC              eeeee      EEEEE   g           Gi          iii          IIIlLnn  NN            ooo            OOO    r  R  s    S         uuuu        UUUU          zz  ZZ         ignore                                        ts   t        st           ignore     u03BF u03C5  u03BF u03CD g                es    t       a               es    t       a            override     H         g   h         g               Print all subjects subjects forEach print   x000D   result     font-family  monospace    white-space  pre-wrap    margin-top  10px    padding-bottom  10px    border-bottom  1px dashed lightgrey      result last-child     border 0      result  gt  div     color  blue    margin-bottom  4px    x000D   lt div id  subjects  gt  lt  div gt  x000D   x000D   x000D

User · Answer

You can create regex s in multiple ways  Using the new RegExp-constructor   var re   new RegExp   a-z     ig      string pattern  string modifiers    Or using the regex literal notation   var re     a-z  ig      pattern modifiers   You have mixed the two

User · Answer

Here s my modified version of lehelk com s version that also removes html entites that are accents     http   jsfiddle net billybraga UHmnf   I still don t know about performance  though     var defaultDiacriticsRemovalMap           base    A        letters      amp  65   amp  9398   amp  65313   amp  192   amp  193   amp  194   amp  7846   amp  7844   amp  7850   amp  7848   amp  195   amp  256   amp  258   amp  7856   amp  7854   amp  7860   amp  7858   amp  550   amp  480   amp  196   amp  478   amp  7842   amp  197   amp  506   amp  461   amp  512   amp  514   amp  7840   amp  7852   amp  7862   amp  7680   amp  260   amp  570   amp  11375    u0041 u24B6 uFF21 u00C0 u00C1 u00C2 u1EA6 u1EA4 u1EAA u1EA8 u00C3 u0100 u0102 u1EB0 u1EAE u1EB4 u1EB2 u0226 u01E0 u00C4 u01DE u1EA2 u00C5 u01FA u01CD u0200 u0202 u1EA0 u1EAC u1EB6 u1E00 u0104 u023A u2C6F   g          base    AA        letters      amp  42802    uA732   g          base    AE        letters      amp  198   amp  508   amp  482    u00C6 u01FC u01E2   g          base    AO        letters      amp  42804    uA734   g          base    AU        letters      amp  42806    uA736   g          base    AV        letters      amp  42808   amp  42810    uA738 uA73A   g          base    AY        letters      amp  42812    uA73C   g          base    B        letters      amp  66   amp  9399   amp  65314   amp  7682   amp  7684   amp  7686   amp  579   amp  386   amp  385    u0042 u24B7 uFF22 u1E02 u1E04 u1E06 u0243 u0182 u0181   g          base    C        letters      amp  67   amp  9400   amp  65315   amp  262   amp  264   amp  266   amp  268   amp  199   amp  7688   amp  391   amp  571   amp  42814    u0043 u24B8 uFF23 u0106 u0108 u010A u010C u00C7 u1E08 u0187 u023B uA73E   g          base    D        letters      amp  68   amp  9401   amp  65316   amp  7690   amp  270   amp  7692   amp  7696   amp  7698   amp  7694   amp  272   amp  395   amp  394   amp  393   amp  42873    u0044 u24B9 uFF24 u1E0A u010E u1E0C u1E10 u1E12 u1E0E u0110 u018B u018A u0189 uA779   g          base    DZ        letters      amp  497   amp  452    u01F1 u01C4   g          base    Dz        letters      amp  498   amp  453    u01F2 u01C5   g          base    E        letters      amp  69   amp  9402   amp  65317   amp  200   amp  201   amp  202   amp  7872   amp  7870   amp  7876   amp  7874   amp  7868   amp  274   amp  7700   amp  7702   amp  276   amp  278   amp  203   amp  7866   amp  282   amp  516   amp  518   amp  7864   amp  7878   amp  552   amp  7708   amp  280   amp  7704   amp  7706   amp  400   amp  398    u0045 u24BA uFF25 u00C8 u00C9 u00CA u1EC0 u1EBE u1EC4 u1EC2 u1EBC u0112 u1E14 u1E16 u0114 u0116 u00CB u1EBA u011A u0204 u0206 u1EB8 u1EC6 u0228 u1E1C u0118 u1E18 u1E1A u0190 u018E   g          base    F        letters      amp  70   amp  9403   amp  65318   amp  7710   amp  401   amp  42875    u0046 u24BB uFF26 u1E1E u0191 uA77B   g          base    G        letters      amp  71   amp  9404   amp  65319   amp  500   amp  284   amp  7712   amp  286   amp  288   amp  486   amp  290   amp  484   amp  403   amp  42912   amp  42877   amp  42878    u0047 u24BC uFF27 u01F4 u011C u1E20 u011E u0120 u01E6 u0122 u01E4 u0193 uA7A0 uA77D uA77E   g          base    H        letters      amp  72   amp  9405   amp  65320   amp  292   amp  7714   amp  7718   amp  542   amp  7716   amp  7720   amp  7722   amp  294   amp  11367   amp  11381   amp  42893    u0048 u24BD uFF28 u0124 u1E22 u1E26 u021E u1E24 u1E28 u1E2A u0126 u2C67 u2C75 uA78D   g          base    I        letters      amp  73   amp  9406   amp  65321   amp  204   amp  205   amp  206   amp  296   amp  298   amp  300   amp  304   amp  207   amp  7726   amp  7880   amp  463   amp  520   amp  522   amp  7882   amp  302   amp  7724   amp  407    u0049 u24BE uFF29 u00CC u00CD u00CE u0128 u012A u012C u0130 u00CF u1E2E u1EC8 u01CF u0208 u020A u1ECA u012E u1E2C u0197   g          base    J        letters      amp  74   amp  9407   amp  65322   amp  308   amp  584    u004A u24BF uFF2A u0134 u0248   g          base    K        letters      amp  75   amp  9408   amp  65323   amp  7728   amp  488   amp  7730   amp  310   amp  7732   amp  408   amp  11369   amp  42816   amp  42818   amp  42820   amp  42914    u004B u24C0 uFF2B u1E30 u01E8 u1E32 u0136 u1E34 u0198 u2C69 uA740 uA742 uA744 uA7A2   g          base    L        letters      amp  76   amp  9409   amp  65324   amp  319   amp  313   amp  317   amp  7734   amp  7736   amp  315   amp  7740   amp  7738   amp  321   amp  573   amp  11362   amp  11360   amp  42824   amp  42822   amp  42880    u004C u24C1 uFF2C u013F u0139 u013D u1E36 u1E38 u013B u1E3C u1E3A u0141 u023D u2C62 u2C60 uA748 uA746 uA780   g          base    LJ        letters      amp  455    u01C7   g          base    Lj        letters      amp  456    u01C8   g          base    M        letters      amp  77   amp  9410   amp  65325   amp  7742   amp  7744   amp  7746   amp  11374   amp  412    u004D u24C2 uFF2D u1E3E u1E40 u1E42 u2C6E u019C   g          base    N        letters      amp  78   amp  9411   amp  65326   amp  504   amp  323   amp  209   amp  7748   amp  327   amp  7750   amp  325   amp  7754   amp  7752   amp  544   amp  413   amp  42896   amp  42916    u004E u24C3 uFF2E u01F8 u0143 u00D1 u1E44 u0147 u1E46 u0145 u1E4A u1E48 u0220 u019D uA790 uA7A4   g          base    NJ        letters      amp  458    u01CA   g          base    Nj        letters      amp  459    u01CB   g          base    O        letters      amp  79   amp  9412   amp  65327   amp  210   amp  211   amp  212   amp  7890   amp  7888   amp  7894   amp  7892   amp  213   amp  7756   amp  556   amp  7758   amp  332   amp  7760   amp  7762   amp  334   amp  558   amp  560   amp  214   amp  554   amp  7886   amp  336   amp  465   amp  524   amp  526   amp  416   amp  7900   amp  7898   amp  7904   amp  7902   amp  7906   amp  7884   amp  7896   amp  490   amp  492   amp  216   amp  510   amp  390   amp  415   amp  42826   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u00FF u1EF7 u1E99 u1EF5 u01B4 u024F u1EFF   g          base    z        letters      amp  122   amp  9449   amp  65370   amp  378   amp  7825   amp  380   amp  382   amp  7827   amp  7829   amp  438   amp  549   amp  576   amp  11372   amp  42851    u007A u24E9 uFF5A u017A u1E91 u017C u017E u1E93 u1E95 u01B6 u0225 u0240 u2C6C uA763   g     function removeDiacritics str        for  var i   0  i  lt  defaultDiacriticsRemovalMap length  i              str   str replace defaultDiacriticsRemovalMap i  letters  defaultDiacriticsRemovalMap i  base             return str

User · Answer

There s a lot out there  but I think this one is simple and good enough    function remove accents strAccents        var strAccents   strAccents split          var strAccentsOut   new Array        var strAccentsLen   strAccents length      var accents                                                                                                                                          var accentsOut    AAAAAAaaaaaaOOOOOOOooooooEEEEeeeeeCcDIIIIiiiiUUUUuuuuNnSsYyyZz       for  var y   0  y  lt  strAccentsLen  y              if  accents indexOf strAccents y      -1                strAccentsOut y    accentsOut substr accents indexOf strAccents y    1             else             strAccentsOut y    strAccents y             strAccentsOut   strAccentsOut join           return strAccentsOut      If you also want to remove special characters and transform spaces and hyphens in underscores  do this   string   remove accents string   string   string replace    a-z0-9 s  gi      replace   - s  g

User · Answer

All the above isn t working with decomposed character as used on Mac OS  In order to remove diacritics in that case it is more simple    r   r replace new RegExp    u0300- u036f  g        see comment from Olivier Miakinen on   https   groups google com d msg fr comp lang regexp 6IGJTbedGTM G0sB2kAsR34J  posted in french

[javascript] Remove accents/diacritics in a string in JavaScript

Examples related to javascript

Examples related to diacritics