3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $subject = "Fred Flintstone<dan@d.com>"; $pattern = '/\w**/'; preg_match($pattern, $subject, $matches); print_r($matches); ?>
Output for 5.2.0 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_match(): Compilation failed: nothing to repeat at offset 3 in /in/BORKj on line 5
Output for hhvm-3.10.0 - 3.12.0
Warning: Compilation failed: nothing to repeat at offset 3 in /in/BORKj on line 5
Output for 4.3.11 - 5.1.6
Warning: preg_match(): Compilation failed: nothing to repeat at offset 3 in /in/BORKj on line 5 Array ( )
Output for 4.3.0 - 4.3.10
Warning: Compilation failed: nothing to repeat at offset 3 in /in/BORKj on line 5 Array ( )