3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $pattern = "/[a-zA-Z0-9._-]+@[a-zA-Z0-9-]+\.[a-zA-Z.]{2,5}/"; /*$pattern = "/[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})/";*/ $replacement = "**************"; echo preg_replace($pattern, $replacement, "I want to replace this.is@email.com with stars"); echo "\n"; echo preg_replace("/a/", "A", "I want to capitalise all A's");
based on hRQ7n
Output for 4.3.0 - 5.2.10, 5.2.12 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
I want to replace ************** with stars I wAnt to cApitAlise All A's
Output for 5.2.11

Process exited with code 143.