3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $string = "livraison 1er"; var_dump(preg_replace('/([0-9](er|éme|ème)/i','$0<sup>$1</sup',$string));
Output for 4.3.11 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_replace(): Compilation failed: missing ) at offset 20 in /in/h5pC9 on line 5 NULL
Output for 4.3.0 - 4.3.10, hhvm-3.10.0 - 3.12.0
Warning: Compilation failed: missing ) at offset 20 in /in/h5pC9 on line 5 NULL