Validating email addresses using jQuery and regex

Question

I m not too sure how to do this   I need to validate email addresses using regex with something like this    a-z0-9     amp              -        a-z0-9     amp              -         a-z0-9     a-z0-9-   a-z0-9           A-Z  2  com org net edu gov mil biz info mobi name aero asia jobs museum    Then I need to run this in a jQuery function like this       j   fld emailaddress   live  change  function      var emailaddress    j   fld emailaddress   val        validation here    if emailaddress        end validation   j ajax             type   POST              url      ff-admin ff-register ff-user-check php             data   fld emailaddress    emailaddress            success  function msg                         if msg     OK                   j   fld username   attr  disabled  false                 j   fld password   attr  disabled  false                 j   cmd register submit   attr  disabled  false                 j   fld emailaddress   removeClass  object error       if necessary              j   fld emailaddress   addClass  object ok                 j   email ac   html   amp nbsp  lt img src  img cool png  align  absmiddle  gt   lt font color  Green  gt  Your email  lt strong gt    emailaddress   lt  strong gt  is OK  lt  font gt                     else                  j   fld username   attr  disabled  true                 j   fld password   attr  disabled  true                 j   cmd register submit   attr  disabled  true                  j   fld emailaddress   removeClass  object ok       if necessary              j   fld emailaddress   addClass  object error                 j   email ac   html msg                                          Where does the validation go and what is the expression

User · Answer

Javascript   var pattern   new RegExp     A-Za-z0-9-        A-Za-z0-9-      A-Za-z0-9       A-Za-z0-9         A-Za-z  2        var result   pattern  test str      The regex is not allowed for   abc gmail  com abc gmail com      Allowed for   abc efg gmail com abc gmail com my   Source  http   www mkyong com regular-expressions 10-java-regular-expression-examples-you-should-know

User · Answer

Try this  function isValidEmailAddress emailAddress        var pattern   new RegExp     a-zA-Z0-9    -        a-zA-Z0-9 -         a-zA-Z0-9  2 4            return pattern test emailAddress

User · Answer

This is my solution   function isValidEmailAddress emailAddress        var pattern   new RegExp     a-zA-Z0-9  -    a-zA-Z0-9 -     a-zA-Z  2 4   i          alert  pattern test emailAddress         return pattern test emailAddress        Found that RegExp over here  http   mdskinner com code email-regex-and-validation-jquery

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Lolz this is much better      function isValidEmailAddress emailAddress            var pattern   new RegExp      w-        w-        w-  2 4                return pattern test emailAddress

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Native method       myform   validate       options           validator methods email   function  value  element       return this optional  element        a-z0-9    -    a-z0-9 -     a-z  2 4   test  value        Source  https   jqueryvalidation org jQuery validator methods

User · Answer

I would recommend that you use the jQuery plugin for Verimail js   Why    IANA TLD validation Syntax validation  according to RFC 822  Spelling suggestion for the most common TLDs and email domains Deny temporary email account domains such as mailinator com   How   Include verimail jquery js on your site and use the function      input email-address   verimail       messageElement   p status-message        If you have a form and want to validate the email on submit  you can use the getVerimailStatus-function   if    input email-address   getVerimailStatus    lt  0          Invalid email  else         Valid email

User · Answer

you can use this function   var validateEmail   function  email             var pattern       a-z d     amp     -            u00A0- uD7FF uF900- uFDCF uFDF0- uFFEF      a-z d     amp     -            u00A0- uD7FF uF900- uFDCF uFDF0- uFFEF            t   r n     t       x01- x08 x0b x0c x0e- x1f x7f x21 x23- x5b x5d- x7e u00A0- uD7FF uF900- uFDCF uFDF0- uFFEF      x01- x09 x0b x0c x0d- x7f u00A0- uD7FF uF900- uFDCF uFDF0- uFFEF         t   r n     t          a-z d u00A0- uD7FF uF900- uFDCF uFDF0- uFFEF   a-z d u00A0- uD7FF uF900- uFDCF uFDF0- uFFEF  a-z d -    u00A0- uD7FF uF900- uFDCF uFDF0- uFFEF   a-z d u00A0- uD7FF uF900- uFDCF uFDF0- uFFEF        a-z u00A0- uD7FF uF900- uFDCF uFDF0- uFFEF   a-z u00A0- uD7FF uF900- uFDCF uFDF0- uFFEF  a-z d -    u00A0- uD7FF uF900- uFDCF uFDF0- uFFEF   a-z u00A0- uD7FF uF900- uFDCF uFDF0- uFFEF       i            if  pattern test email                 return true                    else               return false

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document  ready function           emailid   focusout function            emailid   filter function          var email       emailid   val          var emailReg        w-        w-        w-  2 4             if    emailReg test  email               alert  Please enter valid email            else           alert  Thank you for your valid email

User · Answer

UPDATES   http   so lucafilosofi com jquery-validate-e-mail-address-regex  using new regex  added support for Address tags    sign      function isValidEmailAddress emailAddress        var pattern       a-z d     amp     -            u00A0- uD7FF uF900- uFDCF uFDF0- uFFEF      a-z d     amp     -            u00A0- uD7FF uF900- uFDCF uFDF0- uFFEF            t   r n     t       x01- x08 x0b x0c x0e- x1f x7f x21 x23- x5b x5d- x7e u00A0- uD7FF uF900- uFDCF uFDF0- uFFEF      x01- x09 x0b x0c x0d- x7f u00A0- uD7FF uF900- uFDCF uFDF0- uFFEF         t   r n     t          a-z d u00A0- uD7FF uF900- uFDCF uFDF0- uFFEF   a-z d u00A0- uD7FF uF900- uFDCF uFDF0- uFFEF  a-z d -    u00A0- uD7FF uF900- uFDCF uFDF0- uFFEF   a-z d u00A0- uD7FF uF900- uFDCF uFDF0- uFFEF        a-z u00A0- uD7FF uF900- uFDCF uFDF0- uFFEF   a-z u00A0- uD7FF uF900- uFDCF uFDF0- uFFEF  a-z d -    u00A0- uD7FF uF900- uFDCF uFDF0- uFFEF   a-z u00A0- uD7FF uF900- uFDCF uFDF0- uFFEF       i      return pattern test emailAddress         if   isValidEmailAddress  emailaddress          do stuff here         NOTE  keep in mind that no 100  regex email check exists

User · Answer

We can also use regular expression       w -       w-        w  2 3      i  to validate email address format is correct or not   var emailRegex   new RegExp      w   -       w -         w  2 3      i    var valid   emailRegex test emailAddress     if   valid        alert  Invalid e-mail address        return false      else     return true

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