3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $value = "A % BC\nB % CD"; echo preg_replace( array( // remove LaTeX comments '/%[^\n]*(\n|$)/', // remove LaTeX control sequences '/\\\\([a-z]+|[^a-z])/i' ), '', $value );
Output for 4.3.0 - 7.2.0
A B