3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $text = 'foo bar baz, fóó bąr bąź "foobar" $©L±˝'; $text = preg_replace("/[^\pL\s]++/u", ' ', $text); echo $text;
Output for 4.4.0 - 4.4.9, 5.0.5 - 7.1.7
foo bar baz fóó bąr bąź foobar L
Output for 4.3.11, 5.0.0 - 5.0.4
Warning: preg_replace(): Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 3 in /in/Uq2Vu on line 3
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/Uq2Vu on line 3