3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $hash = '111111t111111qmwedfc11#11111p1122.tmp'; echo preg_replace('/[^a-f0-9.tmp]/i', '', $hash);
based on rWPHA
Output for 5.6.0 - 5.6.30, hhvm-3.18.5 - 3.22.0, 7.0.0 - 7.3.0beta1
111111t111111medfc1111111p1122.tmp