Online PHP editor | refs for uXenE

@ 2014-06-18T00:28:48Z

<?php

$localExpression = '^[a-z0-9_-]+(?:[a-z0-9._%+-]+)*';

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