3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(preg_match("/...(?:\\d{1,19})?/si", 'lorem foo42 bar37 ipsum', $m), $m);
based on JjOIb
Output for 4.3.0 - 7.2.0
int(1) array(1) { [0]=> string(3) "lor" }