3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $matches=array(); preg_match('/^\(?[0-9]{3}\)?-?[0-9]{4}/',"(765)-4389",$matches); var_dump($matches);
based on 7TeWo
Output for 4.3.0 - 7.1.0
array(1) { [0]=> string(10) "(765)-4389" }