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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>\S+)\]#'; //$r = '#.+?#'; //$r = '#(.+?)#'; //$r = '#\w*#'; preg_match_all('/'.$r.'/m', $text, $m); var_dump($m);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(2) { [0]=> array(2) { [0]=> string(8) "#P_NAM3#" [1]=> string(7) "#P_AG2#" } [1]=> array(2) { [0]=> string(6) "P_NAM3" [1]=> string(5) "P_AG2" } }