A simple regular expression (regex) for validating email address using PHP which I used mostly on my web apps. I love being a Web developer and it’s been a lot of fun — this is one of them [php]<?php function validateEmail($email) { if (ereg("^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@+([_a-zA-Z0-9-]+\.)*[a-zA-Z0-9-]{2,200}\.[a-zA-Z]{2,6}$", $email)) { return true; } else { return false; } } ?>[/php] Usage: [php]<?php if (validateEmail($email))…