3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $string = ":èñïîëüçîâàíûäàííûåx_fields.txt;èñïîëü"; preg_match_all("/[\p{N}\p{L}]+/iu", $string, $splitTokens); var_dump($splitTokens);
based on gVLOC
Output for 4.4.0 - 4.4.9, 5.0.5 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
array(1) { [0]=> array(4) { [0]=> string(37) "èñïîëüçîâàíûäàííûåx" [1]=> string(6) "fields" [2]=> string(3) "txt" [3]=> string(12) "èñïîëü" } }
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.11, 5.0.0 - 5.0.4
Warning: preg_match_all(): Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 2 in /in/lovoe on line 3 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/lovoe on line 3 array(0) { }