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<?php $str = 'a\\\\,b,c\\,d'; print_r(preg_split('/(?<![^\\\\][\\\\]),/', $str)); print_r(preg_split('/(?<!(?<!\\\\)\\\\),/', $str)); print_r(preg_split('/(?<![^\\\\])(?<!\\\\),/', $str));
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => a\\ [1] => b [2] => c\,d ) Array ( [0] => a\\ [1] => b [2] => c\,d ) Array ( [0] => a\\,b,c\,d )

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