/Java/Java Regex 2 - Duplicate Words in java

Java Regex 2 - Duplicate Words in java

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 vote281 views1 answer
Java get file from url
Java
-1 vote268 views2 answers
User input (scanner)
Java
4 votes283 views2 answers
Remove first character from string java
Java
0 vote260 views1 answer
Java android build secret keys
Java
2 votes239 views1 answer
How to print the last element of an array
Java
1 vote261 views1 answer
How to get a section of an array in java
Java
1 vote329 views2 answers
Dockerfile for spring boot app
Java Spring
0 vote290 views1 answer
How to change resource color to int color in android
Java
-1 vote254 views3 answers
Variables 2 python .Bartolome sintes Marco
Java
1 vote266 views1 answer
Java bufferedimage get raster data
Java