3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php preg_match('/^(\d{1,2}([a-z]+))(?:\s*)\S+ (200[0-9])/', '21st March 2006', $matches); print_r($matches); ?>
Output for 4.3.0 - 5.6.30, hhvm-3.10.1 - 3.11.1, hhvm-3.13.2, 7.0.0 - 7.2.0
Array ( [0] => 21st March 2006 [1] => 21st [2] => st [3] => 2006 )
Output for hhvm-3.12.14, hhvm-3.15.4 - 3.17.3

Process exited with code 137.