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How to know the last index of a particular word in a string using Java

How to know the last index of a particular word in a string?

Following example demonstrates how to know the last index of a particular word in a string by using Patter.compile() method of Pattern class and matchet.find() method of Matcher class.

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

public class Main {
   public static void main(String args[]) {
      String candidateString = "This is a Java example.This is another Java example.";
      Pattern p = Pattern.compile("Java");
      
      Matcher matcher = p.matcher(candidateString);
      matcher.find();
      int nextIndex = matcher.end();
      
      System.out.print("The last index of Java is:");
      System.out.println(nextIndex);
   }
}

The above code sample will produce the following result.

The last index of Java is: 14

The following is an another sample example to know the last index of a particular word in a string.

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

public class Main { 
   public static void main(String args[]) {
      String s1 = "Sairamkrishna Mammahe,Tutorialspoint india Pvt Ltd.";
      Pattern p1 = Pattern.compile("Tutorialspoint");
		
      Matcher m1 = p1.matcher(s1);
      m1.find();
      int nextIndex = m1.end();
		
      System.out.print("The last index is:");
      System.out.println(nextIndex);
   }
}

The above code sample will produce the following result.

The last index is:36

java_regular_exp.htm

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