Online PHP editor | refs for oSc5t

<?php $email = 'johnsnow@ヒキワリ.ナットウ.com'; //$email = str_replace('@-', '@', str_replace('xn--', '', idn_to_ascii($email))); echo $email . "\n"; //if (filter_var($email, FILTER_VALIDATE_EMAIL)) { // echo 'valid'; //} else { // echo 'not valid'; //} $expression = '^[a-z0-9_-]+(?:[a-z0-9._%+-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\\.)+(?:[A-Z]{2}|com)$'; echo (mb_eregi($expression, $email) !== false) ? 'valid' : 'not valid';