package org.litsoft.air.servlet;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class TestUrl {
 private static final String Url = "http://localhost:7778/Spa/UnionPayServlet1?a1s2";
 public static String result(String url){
  String result=null;
  String regex="([^?]+$)";
  Pattern pattern=Pattern.compile(regex);
  Matcher matcher=pattern.matcher(url);
  while(matcher.find()){
   result=matcher.group();
  }
  return result;
 }
 public static void main(String[] args) {
  String result=new TestUrl().result(Url);
  System.out.println("result="+result);
 }
}