java.util.regex.Pattern.quote() Method

Description

The java.util.regex.Pattern.quote(String s) method returns a literal pattern String for the specified String.

Declaration

Following is the declaration for java.util.regex.Pattern.quote(String s) method.

public static String quote(String s)

Parameters

• s − The string to be literalized.

Returns

A literal string replacement.

Example

The following example shows the usage of java.util.regex.Pattern.quote(String s) method.

package com.tutorialspoint;

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);
   }
}

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

The cat says meow All cat say meow.