3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $content = 'singleline'; $content = preg_quote($content); $output = '<p>[@address|singleline]</p>'; $output = preg_replace('%(?<=@address|.)'.$content.'(?=[^\]\[]*\])%', "", $output); echo $output;
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
<p>[@address|]</p>