3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $_POST['keywords']="sample products!\@, products#$#\, sample "; $keywords = preg_replace("/[rn]+/", "",($_POST['keywords'])); echo $keywords;
Output for 4.3.0 - 7.2.0
sample poducts!\@, poducts#$#\, sample