3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $string = 'a'; if (!preg_match('/^[a-z0-9].*[a-z0-9]$/i', $string)) { print 'FAIL'; } else { print 'OK'; }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
FAIL