3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $str = 'a,b\\,c\\\\,d\\'; preg_match_all('/(?:[^\\\\,]|\\\\.$)+|\\\\$/', $str, $matches); var_dump($matches[0]);
based on t30OE
Output for 4.3.0 - 7.2.0
array(5) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" [3]=> string(1) "d" [4]=> string(1) "\" }