3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $kw = " asdsdfsdf as "; var_export('/^((?![[:cntrl:]\p{C}' . preg_quote(',!^()={};~`<>?\|', '/') . ']).)*$/u');
based on SI70X
Output for 4.3.0 - 7.2.0
'/^((?![[:cntrl:]\\p{C},\\!\\^\\(\\)\\=\\{\\};~`\\<\\>\\?\\\\\\|]).)*$/u'