Created: June/2009

isEmail() function in PHP

A basic regular expression using preg_match()to check for the validity of an email address.

Source:

    
<?php
function isEmail($email) {
    return preg_match('|^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]{2,})+$|i', $email);
};