3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo preg_replace('/[^\pL\d]/u', '', 'Iñtërnâtiônàlizætiøn0123456789!”#¤%&/()=');
Output for 4.4.0 - 4.4.9, 5.0.5 - 7.1.0
Iñtërnâtiônàlizætiøn0123456789
Output for 4.3.11, 5.0.0 - 5.0.4
Warning: preg_replace(): Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 3 in /in/Xa67r on line 2
Output for 4.3.0 - 4.3.10
Warning: Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 3 in /in/Xa67r on line 2