3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "http://www.v2ex.com/t/167269#reply42"; $pattern = "/(.+)\/t\/(\d+)(.+)/i"; preg_match($pattern,$str,$matches); var_dump($matches);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.13
array(4) { [0]=> string(36) "http://www.v2ex.com/t/167269#reply42" [1]=> string(19) "http://www.v2ex.com" [2]=> string(6) "167269" [3]=> string(8) "#reply42" }
preferences:
169.41 ms | 410 KiB | 5 Q