3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(preg_match('/[^a-z0-9_\\.\\-]+/i', 'de')); var_dump(preg_match('/[^a-z0-9_\\.\\-]/i', 'de'));
Output for 4.3.0 - 7.2.0
int(0) int(0)