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<?php $str = 'a,b\,c,d'; var_dump(preg_split('/[^\\]\\,(*SKIP)(*F)|,/', $str));
Output for git.master, git.master_jit, rfc.property-hooks
Warning: preg_split(): Compilation failed: missing terminating ] for character class at offset 19 in /in/44tpt on line 3 bool(false)

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