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<?php var_dump(preg_match('{.[}].}', 'foo42[ba]rl[]olZ+]qwZ]ry{df}gh', $m), $m);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: preg_match(): Unknown modifier ']' in /in/YErdP on line 2 bool(false) NULL

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