CODEWITHSUNDEEP
regexjquery-plugins
Biki
Biki

Reputation: 2588

Regex for validating an email string, using Jquery

I am taking the ; (semicolon) separated email addresses from a textbox & need to validate each individual email address, using Jquery.

Could anyone plz let me know if we can use inbuilt Jquery validation plugin for Email validation? Else what would be the Regex for the same?

Sample Code: 

    function IsValidEmail() {
        var inputEmailAddress = $("#TextBox1").val();
        var array = inputEmailAddress.split(";");
        var validEmailPattern = new RegExp('[A-Za-z]'); //Please suggest correct Regex
        var individualEmailstring;
        for (var i = 0; i < array.length; i++) {
            individualEmailstring= array[i];
            if (!(individualEmailstring.match(validEmailPattern)))
                return false;
        }
        return true;
    }

Upvotes: 1

Views: 853

Answers (4)

brentonstrine
brentonstrine

Reputation: 22742

Don't try to validate with a regular expression, you're not going to get it right unless you use Andon Hansson's code (and even that may not be complete).

There is nothing worse than being unable to input my valid email because someone didn't get their regex correct.

Just use the HTML5 email input type and let the browser do the work for you:

<input type="email" required>

Upvotes: 0

LaGrandMere
LaGrandMere

Reputation: 10359

I don't know about being able to use the Email Validation Plugin like you'd like.

About the Regex, found this Email Regex on Regular Expressions : ^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,6}$

Upvotes: 2

moinudin
moinudin

Reputation: 138357

I'm not a jquery user, but this looks very promising: http://docs.jquery.com/Plugins/Validation/Methods/email

$("#myform").validate({
  rules: {
    field: {
      required: true,
      email: true
    }
  }
});

It uses a rather thorough regex:

/^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\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]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([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

Upvotes: 0

Anton Hansson
Anton Hansson

Reputation: 2171

The following regex will validate emails according to RFC822.

Source: http://www.ex-parrot.com/pdw/Mail-RFC822-Address.html

:-)

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Upvotes: 1

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