3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $filename = "[Study] - Walton, Charles E 01-01-2012.txt"; $date = preg_match("(.*)(\d+-\d+-\d+)(.*)", $filename); echo $date;
Output for 4.3.11 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_match(): Unknown modifier '(' in /in/WF5m3 on line 5
Output for hhvm-3.12.0
Warning: Unknown modifier '(': [(.*)(\d+-\d+-\d+)(.*)] in /in/WF5m3 on line 5
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 4.3.10
Warning: Unknown modifier '(' in /in/WF5m3 on line 5