java.util.regex.Matcher.quoteReplacement()

Description

The java.time.Matcher.quoteReplacement(String s) method returns a literal replacement String for the specified String.

Declaration

Following is the declaration for java.time.Matcher.quoteReplacement(String s) method.

public static String quoteReplacement(String s)

Parameters

• s − The string to be literalized.

Return Value

A literal string replacement.

Example

The following example shows the usage of java.time.Matcher.quoteReplacement(String s) method.

package com.tutorialspoint;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class MatcherDemo {
   private static String REGEX = "dog";
   private static String INPUT = "The dog says meow " + "All dogs say meow.";
   private static String REPLACE = "cat$";

   public static void main(String[] args) {
      Pattern pattern = Pattern.compile(REGEX);
      
      // get a matcher object
      Matcher matcher = pattern.matcher(INPUT); 
      
      try{
         //Below line will throw exception
         INPUT = matcher.replaceAll(REPLACE);
      } catch(Exception e){
         System.out.println("Exception: "+ e.getMessage());
      }
      INPUT = matcher.replaceAll(matcher.quoteReplacement(REPLACE));
      System.out.println(INPUT);
   }
}

Let us compile and run the above program, this will produce the following result −

Exception: Illegal group reference: group index is missing
The cat$ says meow All cat$s say meow.