Java 正则匹配 regionstart example

package com.codingdict;



import java.util.regex.Matcher;

import java.util.regex.Pattern;



public class MatcherDemo {



   private static String REGEX = "(a*b)(foo)";

   private static String INPUT = "aabfooaabfooabfoob";

   private static String REPLACE = "-";

   public static void main(String[] args) {



      Pattern pattern = Pattern.compile(REGEX);



      // get a matcher object

      Matcher matcher = pattern.matcher(INPUT);

      matcher = matcher.region(0, 10);

      while(matcher.find()) {

     //Prints the offset after the last character matched.

          System.out.println("First Capturing Group, (a*b) Match String end(): "+matcher.end());    

      }     

      System.out.println("regionStart(): "+matcher.regionStart());    

   }

}