3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $ar = ['filename.en_us.srt', 'filename.en_uk.srt', 'filename.fr_fr.srt']; foreach($ar as $a) { preg_match('/\.([^\.]*)\.srt$/', $a, $matches); echo $matches[1]."\n"; }
based on BioGM
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.3.0beta1
en_us en_uk fr_fr