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<?php $collection = range( 'A', 'Z' ); $offset = 1; $limit = 6; $alpha = implode("", $collection); Preg_match("/.{0," . $limit ."}" . chr(65 +$offset) . ".{0," . $limit ."}/", $alpha, $match); Var_dump($match);
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { [0]=> string(8) "ABCDEFGH" }

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