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.an@email.com with stars"); echo "\n"; echo preg_replace("/a/", "A", "I want to capitalise all A's");
based on EXW1m
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
I want to replace this.is.an@email.com with stars I wAnt to cApitAlise All A's