3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $file = '0004f21edd14-boot.cfg'; echo preg_match('/0004f2([a-fA-F0-9]{6})-(?:boot\.log|app\.log|now-boot\.log)/', $file, $d); print_r($d);
Output for 4.3.0 - 7.1.0
0Array ( )