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<?php $pattern = "/\/(\w{2})\/?((\w{2})\/?)?\/?((\w+)\/?)?/"; $sample = '/de/de/euromaster'; echo (int)preg_match( $pattern, $sample, $matches).PHP_EOL; print_r($matches);
Output for git.master, git.master_jit, rfc.property-hooks
1 Array ( [0] => /de/de/euromaster [1] => de [2] => de/ [3] => de [4] => euromaster [5] => euromaster )

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