3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $str = "BEGIN_DATA_567 329 ... END_DATA_567 BEGIN_DATA 561 .... END_DATA"; preg_match("/\bBEGIN_DATA\b(.+)\bEND_DATA\b/s", $str, $match); echo $match[1];
Output for 4.3.0 - 7.2.0
561 ....