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<?php preg_match("(?<!\\\\)%[^\n]*", "To jest % komentarz\nA to\\% już nie\nA to znowu %tak", $m); print_R($m);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: preg_match(): Unknown modifier '%' in /in/ZYjh9 on line 3

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