Question

I need to create a validator.

The validator needs to reject only two characters which is only " , and accept rest of them.

Here is my present code

<input type="text"/>​

$(document).ready(function () {    
    $('input').keyup(function() {
        var $th = $(this);
        $th.val( $th.val().replace(/[^a-zA-Z0-9]/g, function(str) { alert('You typed " ' + str + ' ".\n\nPlease except.'); return ''; } ) );
    });
});​

DEMO

Answer 1

http://jsfiddle.net/ntywf/325/

$(document).ready(function () {

    $('input').keyup(function() {
        var $th = $(this);
        if ((/[\"\,]/g).test($th.val())==true) 
        {

                $th.val( $th.val( ).replace(/[\"\,]/g,function(str) { alert('You typed " ' + str + ' ".\n\nPlease except.');return '';} )) ;
        }
    });
});​