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<?php var_dump(preg_match('/^/', 'foo', $m)); var_dump($m); var_dump(preg_match('/\s*/', 'foo', $m)); var_dump($m); var_dump(preg_match('/\w+/', 'foo', $m)); var_dump($m); var_dump(preg_match('/$/', 'foo', $m)); var_dump($m);
Output for git.master, git.master_jit, rfc.property-hooks
int(1) array(1) { [0]=> string(0) "" } int(1) array(1) { [0]=> string(0) "" } int(1) array(1) { [0]=> string(3) "foo" } int(1) array(1) { [0]=> string(0) "" }

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