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<?php $contents = "BEGIN_DATA_567 329 ... END_DATA_567 BEGIN_DATA 561 .... END_DATA"; preg_match('/BEGIN_DATA /', $contents, $matches, PREG_OFFSET_CAPTURE); $start = $matches[0][1]; preg_match('/END_DATA$/', $contents, $matches, PREG_OFFSET_CAPTURE); $end = $matches[0][1]; echo $between=substr($contents, $start, $end - $start);
Output for git.master, git.master_jit, rfc.property-hooks
BEGIN_DATA 561 ....

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