Redex 2 solution matcher

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();
    }
}

Source: hackerrank.com

Similar codes

0 vote211 views1 answer
Crit chance in java
Java
0 vote228 views1 answer
Java base64 decrypt script
Java
0 vote198 views2 answers
Auto in java
Java
0 vote212 views1 answer
Lcm
Java
0 vote196 views1 answer
Java break 2 for loops
Java
0 vote213 views1 answer
Priority queue java comparator lambda
Java
0 vote203 views1 answer
Java generate secure random password
Java
0 vote183 views1 answer
Get runtime java
Java
0 vote369 views2 answers
How to use java 8 comparator
Java
2 votes180 views1 answer
Listview get selected java
Java