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<?php $str = "pippo-pippo-12122018"; $arr = explode("-", $str); $valid = true; if(count($arr) >3) $valid = false; foreach($arr as $key => $val){ if($key<2){ if(!is_string($val)) $valid = false; }else{ if(!is_numeric($val)) $valid = false; } } var_export($valid);
Output for git.master_jit, git.master, rfc.property-hooks
true

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