Java Matcher quoteReplacement() Method

The quoteReplacement() Method of Matcher class returns a literal replacement String for the specified String. This method can be used with the matcher object and perform replacement operation in the appendReplacement method of matcher class.

Syntax

Parameter

s - The string to be literalized

Returns

A literal string replacement

Since

1.5

Example 1

import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class MatcherquoteReplacementExample1{
			private static String INPUT ;
		   public static void main(String[] args) {
		     //Pattern creation
		     Pattern pattern = Pattern.compile("Independent");
		     // creating matcher object
		     Matcher matcher = pattern.matcher("java is platform Independent "); 
		      INPUT = matcher.replaceAll(matcher.quoteReplacement(":)"));
		      System.out.println(INPUT);
		   }		
	}

Test it Now

Output:

java is platform :)

Example 2

import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class MatcherquoteReplacementExample2 {
				private static String input ;	
		      public static void main(String[] args) {
		         //Pattern creation
		    	  Pattern p= Pattern.compile("javaprogramming");
		         //creating matcher object
Matcher m = p.matcher("javaprogramming is secure " + ".javaprogramming is platform"); 
		         try{
		            //Below line will throw exception
		        	 input = m.replaceAll("java$");
		         } catch(Exception e){
		            System.out.println("Exception: "+ e.getMessage());
		         }
		         input = m.replaceAll(m.quoteReplacement("java$"));
		         System.out.println(input);
		  }
}

Test it Now

Output:

Exception: Illegal group reference: group index is missing
java$ is secure .java$ is platform

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Java Matcher class