Seeking a simple regex

http://aabb.com/12sf/xxoo/ ab23.txt
I want to get the last name of the file , find the regular rules .
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  public class GetFileName {
  
  	public static void main(String[] args) {
  		// TODO Auto-generated method stub
  
  		String s = "http://aabb.com/12sf/xxoo/ab23.txt";
  		String file = s.substring(s.lastIndexOf("/")+1);
  		System.out.println(file);
  		
  	}
  
  }
  
  打印：
  ab23.txt
  

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public class Hello {
      public static void main(String[] args) throws IOException {
          String url = "http://aabb.com/12sf/xxoo/ab23.txt";
          String name = url.replaceAll(".*/(.*)$", "$1");
          System.out.println(name);
      }
  }

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dog brother V5 ..
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Cougerenao , make a

  String url = "http://aabb.com/12sf/xxoo/ab23.txt";
  		Matcher m = Pattern.compile(".*/(.*?.txt).*?").matcher(url);
  		while(m.find()){
  			System.out.println(m.group(1));
  		}

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front are the same as you ?

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  This reply was moderator deleted at 2013-10-29 08:24:56

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just learning regular expressions, come and look