3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $text = 'My Name ## is #P_NAM3# and \r\n I am #P_AG2# years old'; //$r = '#([^#]+)#'; $r = '#(?<name>.*)#'; //$r = '#(.*?)#'; //$r = '#\w*#'; preg_match_all('/'.$r.'/m', $text, $m); var_dump($m);
Output for 4.4.6 - 4.4.9, 5.2.2 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(3) { [0]=> array(1) { [0]=> string(36) "## is #P_NAM3# and \r\n I am #P_AG2#" } ["name"]=> array(1) { [0]=> string(34) "# is #P_NAM3# and \r\n I am #P_AG2" } [1]=> array(1) { [0]=> string(34) "# is #P_NAM3# and \r\n I am #P_AG2" } }
Output for 5.2.0 - 5.2.1
Warning: preg_match_all(): Compilation failed: unrecognized character after (?< at offset 4 in /in/4vjlq on line 9 NULL
Output for 4.3.11 - 4.4.5, 5.0.0 - 5.1.6
Warning: preg_match_all(): Compilation failed: unrecognized character after (?< at offset 4 in /in/4vjlq on line 9 array(0) { }
Output for 4.3.0 - 4.3.10
Warning: Compilation failed: unrecognized character after (?< at offset 4 in /in/4vjlq on line 9 array(0) { }