3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $re = '~\[do action\=\"[^\"]*\"\s?[^\]\/]*\]( [^\[\d\o\n]* )\[\/do\]~'; var_dump($re);
Output for 4.3.0 - 7.2.0
string(62) "~\[do action\=\"[^\"]*\"\s?[^\]\/]*\]( [^\[\d\o\n]* )\[\/do\]~"