3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = preg_replace("^(.*)", "-","Перегудов");
Output for 4.3.11 - 7.2.6
Warning: preg_replace(): No ending delimiter '^' found in /in/dNF8q on line 2
Output for 4.3.0 - 4.3.10
Warning: No ending delimiter '^' found in /in/dNF8q on line 2