3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php preg_match('/(\<!--\s*.*?((--\>)|$))/imsx', '<!-- com1 <!-- com 2 <!-- com2.1 --> --> <!-- com3 --> -->', $matches);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0