3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(preg_match('/(\p{L})/u', "Ą .[]-123", $m)); var_dump($m);
Output for 4.4.0 - 4.4.9, 5.0.5 - 7.1.0
int(1) array(2) { [0]=> string(2) "Ą" [1]=> string(2) "Ą" }
Output for 4.3.11, 5.0.0 - 5.0.4
Warning: preg_match(): Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 2 in /in/YusX4 on line 2 bool(false) array(0) { }
Output for 4.3.0 - 4.3.10
Warning: Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 2 in /in/YusX4 on line 2 bool(false) array(0) { }