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run code in 150+ php & hhvm versions
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<?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 - 5.6.25, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(3) { [0]=> array(3) { [0]=> string(2) "##" [1]=> string(8) "#P_NAM3#" [2]=> string(7) "#P_AG2#" } ["name"]=> array(3) { [0]=> string(0) "" [1]=> string(6) "P_NAM3" [2]=> string(5) "P_AG2" } [1]=> array(3) { [0]=> string(0) "" [1]=> string(6) "P_NAM3" [2]=> string(5) "P_AG2" } }
Output for 5.2.0 - 5.2.1
Warning: preg_match_all(): Compilation failed: unrecognized character after (?< at offset 4 in /in/1m5c6 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/1m5c6 on line 9 array(0) { }
Output for 4.3.0 - 4.3.10
Warning: Compilation failed: unrecognized character after (?< at offset 4 in /in/1m5c6 on line 9 array(0) { }