3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(preg_match('/^[1-9][0-9]{3}\s?[a-zA-Z]{2}$/', '1234ab'));
based on ccR2f
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
int(1)