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<?php $string = <<<DATA {start} SubPattern1 {end} {start} SubPattern2 {end} {start} {start}SubPattern3{end} {end} DATA; preg_match_all('/{start}((?:(?:(?!{(?:start|end)}).)+|(?R))*){end}/', $string, $result); print_r($result);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => Array ( [0] => {start} SubPattern1 {end} [1] => {start} SubPattern2 {end} [2] => {start} {start}SubPattern3{end} {end} ) [1] => Array ( [0] => SubPattern1 [1] => SubPattern2 [2] => {start}SubPattern3{end} ) )

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