3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $telefone = '(41) 4141-4141'; echo preg_replace('0-9', '', $telefone);
Output for 4.3.11 - 7.1.7
Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/t2bB7 on line 5
Output for 4.3.0 - 4.3.10
Warning: Delimiter must not be alphanumeric or backslash in /in/t2bB7 on line 5