3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "// File : /okcontent/js/Oryx/Cookies.js"; $str2 = "// File : /okcontent/js/twitter.js"; $str3 = "// File : /okcontent/js/Oryx/pups/Cookies.js"; $m = array(); $m2 = array(); $m3 = array(); $regex = preg_match("#File : /okcontent/js/(?:.*?/)?(.*?)\.js#x", $str, $m); $regex = preg_match("#File : /okcontent/js/(?:.*?/)?(.*?)\.js#x", $str2, $m2); $regex = preg_match("#File : /okcontent/js/(?:.*?/)?(.*?)\.js#x", $str3, $m3); var_dump($m); var_dump($m2); var_dump($m3);
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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(0) { } array(0) { } array(0) { }

preferences:
284.02 ms | 406 KiB | 383 Q