Hackerrank – Java Solution – Java Regex 2 – Duplicate Words Solution

Hackerrank - Java Solutions Hackerrank Online Judge Solution

Hackerrank – Java Solution – Java Regex 2 – Duplicate Words Solution

Problem Name – Java Regex 2 – Duplicate Words
Problem Link –  Java Regex 2 – Duplicate Words 
Level – String

Java Code

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

public class DuplicateWords {

public static void main(String[] args) {

String regex = "\b(\w+)(\W+\1\b)+";
Pattern p = Pattern.compile(regex, Pattern.CASE_INSENSITIVE);

Scanner in = new Scanner(System.in);
int numSentences = Integer.parseInt(in.nextLine());

while (numSentences-- > 0) {
String input = in.nextLine();

Matcher m = p.matcher(input);

// Check for subsequences of input that match the compiled pattern
while (m.find()) {
input = input.replaceAll(m.group(), m.group(1));
}

// Prints the modified sentence.
System.out.println(input);
}

in.close();
}
}

Output: 

Hackerrank - Java Solution - Java Regex 2 - Duplicate Words Solution

Tags: HackerRank Online Judge Solution, HackerRank OJ Solution list, HackerRank Problems Solution, HackerRank solver, HackerRank all problem solution list, HackerRank solution in java, Hackerrank Java Solution, Hackerrank Online Judge Solution, Hackerrank – Java Solutions, Hackerrank – Java Solution – Java Regex 2 – Duplicate Words Solution

Leave a Reply

Your email address will not be published.