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<?php $range = "2008-2013"; $year = "2008"; $shite = "-2013"; $regex = "/^(\d{0,4}+(?:-\d{0,4}+)?)$/is"; $matches = array(array()); preg_match($regex, $range, $matches[$$range]); preg_match($regex, $year, $matches[1]); preg_match($regex, $shite, $matches[2]); print_r($matches); ?>
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $2008-2013 in /in/R7Fh6 on line 10 Array ( [0] => Array ( ) [] => Array ( [0] => 2008-2013 [1] => 2008-2013 ) [1] => Array ( [0] => 2008 [1] => 2008 ) [2] => Array ( [0] => -2013 [1] => -2013 ) )

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