3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php if (!preg_match('/[^a-z0-9]/', '562e01d60485a7b4288e93a0a37bbddb')){ echo 'ok'; }else { echo 'wrong'; }
Output for 4.3.0 - 7.2.0
ok