3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php preg_match('/^([a-z]{0,3})(\d{3})[-\s]?(\d{2})[-\s]?(\d{4})([0-9a-z]{0,3})$/i', 'ABC123121234ABC', $number); var_dump($number); var_dump(vsprintf('%2$s%3$s-%4$s-%5$s%6$s', $number));
based on kZq7P
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(6) { [0]=> string(15) "ABC123121234ABC" [1]=> string(3) "ABC" [2]=> string(3) "123" [3]=> string(2) "12" [4]=> string(4) "1234" [5]=> string(3) "ABC" } string(17) "ABC123-12-1234ABC"