3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php preg_match('/^[0-9]+|[A-Y]+$/', '2', $matches); var_dump($matches);
Output for 4.3.0 - 5.6.21, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(1) { [0]=> string(1) "2" }