3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $range = "2008-2013"; $year = "2008"; $shite = "-2013"; $regex = "/(^\d{0,4}+?:-\d{0,4}+?$)/is"; $matches = array(); preg_match($regex, $range, $matches); //preg_match($regex, $year, $matches); //preg_match($regex, $shite, $matches); print_r($matches); ?>
Output for 4.3.11 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_match(): Compilation failed: nothing to repeat at offset 10 in /in/OZOtR on line 10 Array ( )
Output for 4.3.0 - 4.3.10, hhvm-3.10.0 - 3.12.0
Warning: Compilation failed: nothing to repeat at offset 10 in /in/OZOtR on line 10 Array ( )