Online PHP editor | refs for UTede

@ 2014-06-18T00:32:06Z

<?php

$local = 'johnsnow123@';
$localExpression = '^[a-z0-9_-]+(?:[a-z0-9._%+-]+)*';
if (mb_eregi($localExpression, $local) === false) {
    echo 'invalid';
} else {
    echo 'valid';
}