3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $str = 'a\\\\,b,c\\,d'; var_dump(preg_split('/((?=[^\\]\\)|\G),/', $str));
based on kCqnM
Output for 4.3.11 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_split(): Compilation failed: missing terminating ] for character class at offset 15 in /in/ud6bW on line 3 bool(false)
Output for 4.3.0 - 4.3.10, hhvm-3.10.0 - 3.12.0
Warning: Compilation failed: missing terminating ] for character class at offset 15 in /in/ud6bW on line 3 bool(false)