3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $str = "Auto Rickshaw/Cab complaints a click away http://t.co/MDsyVes5W2 via @traffline Cc Plz Share @roshanabbas @Netra @GulPanag Thanks"; preg_match("/(@w+)?/", $str,$matches); print_r($matches); echo "\n"; preg_match("/(\w*)/", "",$matches); print_r($matches);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => ) Array ( [0] => [1] => )