Java正则表达式模式引用示例

package com.codingdict;



import java.util.regex.Matcher;

import java.util.regex.Pattern;



public class PatternDemo {

   private static String REGEX = "dog$";

   private static String INPUT = "The dog$ says meow " + "All dog$ say meow.";

   private static String REPLACE = "cat";



   public static void main(String[] args) {

      Pattern pattern = Pattern.compile(Pattern.quote(REGEX));



      // get a matcher object

      Matcher matcher = pattern.matcher(INPUT);

      INPUT = matcher.replaceAll(REPLACE);

      System.out.println(INPUT);

   }

}