From http://www.webtoolkit.info/php-validate-email.html#more-190
/** * * PHP validate email * http://www.webtoolkit.info/ * **/ function isValidEmail($email){ return eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$", $email); }