3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $key = "cdb4ee2aea69cc6a83331bbe96dc2caa9a299d21329efb0336fc02a82e1839a8:45678697185"; if(preg_match("/^\w{64}:\d+$/", $key)) { echo 1; }
Output for 4.3.0 - 7.1.0
1