3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo preg_replace('/(?!^.|.$|.\.|\.|.{1,2}@|(?<=@)|(?<=@.)|@)./i', '*', 'example@example.com.ua'); // e****le@ex****e.**m
Output for 4.3.0 - 5.0.5, 5.1.1 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
e****le@ex****e.**m.*a
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/TfGPB on line 3
Process exited with code 255.