3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php preg_match('/[^a-z]/i', '541-582-7962');
Output for 4.3.0 - 5.6.21, hhvm-3.12.0, 7.0.0 - 7.1.0
Output for hhvm-3.10.0

Process exited with code 153.