3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $vals = array( "[[aa]]", "/\\/\\", "&", "$^", "(){}'\"", ); foreach ($vals as $v) { var_dump( preg_match( '/^[-+=_.:;!?@#$%^&*a-z0-9\\\\\\/\\(\\)\\[\\]\\{\\}\'"]+$/i', $v ) ); }
Output for 4.3.0 - 7.2.0
int(1) int(1) int(1) int(1) int(1)