3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $kw = "1 2 3 4 5 6 7 8 9 0 1 2"; var_export(preg_match('/^((?!([\w\d]+[^\w\d]){11,}).)*$/u', $kw));
based on kX1gM
Output for 4.3.0 - 7.2.0
0