3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php preg_match_all( '/[\p{Cyrillic}]/u', "ZАiKS, со wаrtо wiеdziеć о соvеrааć оdmiеnniе", $matches); echo count($matches); ?>
based on bk6HM
Output for 5.5.0 - 7.2.6
1