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<?php $txt = 'F799985 FB989898 fg69898'; $pattern = '/[a-z][a-z0-9][0-9]+/i'; $matches = []; preg_match_all($pattern, $txt, $matches); var_dump($matches);
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { [0]=> array(3) { [0]=> string(7) "F799985" [1]=> string(8) "FB989898" [2]=> string(7) "fg69898" } }

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