3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "ABF965;CDE436;EAF873"; echo preg_replace('/[A-Za-z0-9]+/', 'N', $str);
Output for 7.1.25 - 7.1.32, 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 - 8.3.27, 8.4.1 - 8.4.14
N;N;N
preferences:
148.12 ms | 407 KiB | 5 Q