john@example.com, @example.com
>
254) { return false; } // Check domain part characters if ( ! preg_match('/^[A-Za-z0-9\\-\\.]+$/', $domain) ) { return false; } // Domain part mustn't have two consecutive dots if ( strpos($domain, '..') !== false ) { return false; } // All OK return true; } // END verify_email_domain() ?>