How to replace all dots in a string using JavaScript

Question

I want to replace all the occurrences of a dot    in a JavaScript string  For example  I have   var mystring    okay this is a string     I want to get  okay this is a string   So far I tried   mystring replace    g        but this ends up with all the string replaced to spaces

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This is more concise readable and should perform better than the one posted by Fagner Brack  toLowerCase not performed in loop    String prototype replaceAll   function search  replace  ignoreCase      if  ignoreCase        var result           var  string   this toLowerCase        var  search   search toLowerCase        var start   0  match  length    search length      while   match    string indexOf  search  start    gt   0          result push this slice start  match          start   match   length            result push this slice start        else       result   this split search         return result join replace       Usage   alert  Bananas And Bran  replaceAll  An     an

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I add double backslash to the dot to make it work  Cheer   var st    okay this is a string   var Re   new RegExp        g    st   st replace Re       alert st

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ReplaceAll by Fagner Brack  MIT Licensed     Replaces all occurrences of a substring in a string     String prototype replaceAll   function  token  newToken  ignoreCase         var  token      var str   this           var i   -1       if   typeof token      string               if   ignoreCase                   token   token toLowerCase                 while                    i   str toLowerCase   indexOf                       token  i  gt   0   i   newToken length   0                         -1                                 str   str substring  0  i                         newToken                       str substring  i   token length                             else               return this split  token   join  newToken                     return str      alert  okay this is a string  replaceAll               Faster than using regex     EDIT  Maybe at the time I did this code I did not used jsperf  But in the end such discussion is totally pointless  the performance difference is not worth the legibility of the code in the real world  so my answer is still valid  even if the performance differs from the regex approach   EDIT2  I have created a lib that allows you to do this using a fluent interface   replace      from  okay this is a string   with         See https   github com FagnerMartinsBrack str-replace

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Simplest way   quot Mr  quot  split      join  quot  quot                    Console

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String prototype replaceAll   function  needle  replacement        return this replace new RegExp needle   g    replacement

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mystring replace new RegExp       g

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One more solution which is easy to understand     var newstring   mystring split      join

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For this simple scenario  i would also recommend to use the methods that comes build-in in javascript   You could try this     okay this is a string  split      join       Greetings

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String prototype replaceAll   function character replaceChar       var word   this valueOf         while word indexOf character     -1          word   word replace character replaceChar        return word

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var mystring    okay this is a string   var myNewString   escapeHtml mystring    function escapeHtml text    if        text        return text replace   amp amp  g    amp                    replace   amp lt  g    lt                    replace   amp gt  g    gt                    replace     g                      replace   amp quot  g                       replace   amp  39 g

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replaceAll search  replaceWith   MDN    quot  a b c  quot  replaceAll               result   quot  a b c  quot       Using RegEx  You MUST use a global RegEx    quot  a b c  quot  replaceAll     g           result   quot  a b c  quot        replaceAll   replaces ALL occurrences of search with replaceWith  It s actually the same as using replace    MDN  with a global regex     merely replaceAll   is a bit more readable in my view      Meaning it ll match all occurrences   Important    if you choose regex   when using a regexp you have to set the global   quot g quot   flag  otherwise  it will throw a TypeError   quot replaceAll must be called with a global RegExp quot

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scripto s made a bit more concise and without prototype   function strReplaceAll s  stringToFind  stringToReplace        if  stringToFind     stringToReplace  return s      for  let index   s indexOf stringToFind   index    -1  index   s indexOf stringToFind           s   s replace stringToFind  stringToReplace       return s      Here s how it stacks up  http   jsperf com replace-vs-split-join-vs-replaceall 68

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you can replace all occurrence of any string character using RegExp javasscript object   Here is the code   var mystring    okay this is a string    var patt   new RegExp          while patt test mystring       mystring    mystring  replace

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Example  I want to replace all double Quote     into single Quote     Then the code will be like this  var str     Hello    var regex   new RegExp       g    str   str replace regex         console log str       Hello

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Here s another implementation of replaceAll  Hope it helps someone       String prototype replaceAll   function  stringToFind  stringToReplace            if  stringToFind     stringToReplace  return this          var temp   this          var index   temp indexOf stringToFind           while  index    -1                temp   temp replace stringToFind  stringToReplace               index   temp indexOf stringToFind                     return temp           Then you can use it   var myText    My Name is George   var newText   myText replaceAll  George    Michael

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str replace new RegExp      gm

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You need to escape the   because it has the meaning of  an arbitrary character  in a regular expression   mystring   mystring replace     g

[javascript] How to replace all dots in a string using JavaScript

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