3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $ptn = "/^[\p{L}.\s]+$/u"; $str = "i am letters 9880 ."; preg_match($ptn, $str, $matches); print_r($matches); ?>
based on 22qvU
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 ( )
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(): Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 3 in /in/M1lIN on line 4 Array ( )
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 3 in /in/M1lIN on line 4 Array ( )