/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 vote180 views1 answer
Does not have a NavController set on 2131231008
Java
0 vote192 views1 answer
Get executable path java
Java
14 votes187 views2 answers
New hashmap java
Java
0 vote216 views1 answer
Immutable map java
Java
1 vote173 views1 answer
Initialize applet in java
Java
1 vote187 views1 answer
Java integer to binary string with leading zeros
Java
0 vote184 views1 answer
Does stream map change original value
Java
1 vote189 views1 answer
How to get key value from json object in java
Java
5 votes184 views1 answer
Why java platform independent
Java
1 vote179 views1 answer
Android hide system bar programmatically
Java