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<?php $year = "2008"; $range = "2008-2013"; $regex = "/^(\d{0,4}+(?:-\d{0,4}+)?)$/is"; $matches = array(array()); preg_match($regex, $range, $matches[0], PREG_OFFSET_CAPTURE); preg_match($regex, $year, $matches[1], PREG_OFFSET_CAPTURE); print_r($matches); ?>
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => Array ( [0] => Array ( [0] => 2008-2013 [1] => 0 ) [1] => Array ( [0] => 2008-2013 [1] => 0 ) ) [1] => Array ( [0] => Array ( [0] => 2008 [1] => 0 ) [1] => Array ( [0] => 2008 [1] => 0 ) ) )

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