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<?php preg_match('/(?>[A-Za-z])+([A-Za-z])+/', 'FooBar', $m); var_dump($m); preg_match('/([A-Za-z])++([A-Za-z])+/', 'FooBar', $m); var_dump($m);
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> string(6) "FooBar" [1]=> string(1) "r" } array(0) { }

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