3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "Hello, there! Welcome to <>?@#$!& our site<!END!>"; $string = preg_replace("/<!END!>(*SKIP)(FAIL)|[^A-Za-z0-9 ]/", "", $string); echo $string;
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
Hello there Welcome to our site<!END!>
preferences:
78.24 ms | 408 KiB | 5 Q