jQuery Validator: Twitter username validator

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If you use the jQuery Validation plugin, and of course, you follow an amazing PHP Programmer and now have twitter boxes on all your forms, you might need to validate it some day. I wrote this method for it.

jQuery.validator.addMethod("twitterhandle", 
  function(value) {
    if(value == "") return true;
    var pattern = /^\w{1,32}$/;
    var result = pattern.test(value);
    return result;
  }, 
  "Twitter handle only - no spaces, @, and not a URL."
);

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