code: public Object match(String url){
  		String[] splited = splitURL(url);
  		String reversedBeforePart = splited[0];
  		String afterPart = splited[1];
  		
  		UrlStartWithMatcherStep2 step2 = (UrlStartWithMatcherStep2) super.match(reversedBeforePart + "$");
  		if (step2 == null){
  			return null;
  		}else{
  			return step2.match(reversedBeforePart, afterPart);
  		}
  	}
docs: Find out which matching string matches the URL. URL can start with protocol (such as "http://"), or not.<br>
  进行匹配判断，URL可以包含协议头，也可以不包含，匹配时对大小写不敏感。
  <p>
  Matching is case insensitive.
  
  @param url	需要进行匹配判断的URL<br>The URL need to be tested.
  @return	匹配到的字符串所对应的附件，如果找不到任何匹配，则返回null
  <br>The corresponding attachment object of the matching string that matches the URL.
  Return null if no matching found.