3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test=array("abcd/abcd_.mp3", "abcd", "asdasd/abcd.mp3", "abcd.", "blahahbasdabcd"); foreach ($test as $t) echo "$t =>" . preg_replace("/abcd([^_.])/m", "XXXXX" . "\${1}", $t) . "\n";
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 - 5.6.40, 7.0.0 - 7.0.33, 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
abcd/abcd_.mp3 =>XXXXX/abcd_.mp3 abcd =>abcd asdasd/abcd.mp3 =>asdasd/abcd.mp3 abcd. =>abcd. blahahbasdabcd =>blahahbasdabcd
preferences:
284.05 ms | 406 KiB | 459 Q