/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

1 vote289 views1 answer
Java collapse string array
Java
12 votes292 views3 answers
How to use arrays java
Java
0 vote295 views1 answer
Jbutton border size java
Java
-1 vote297 views3 answers
Toast.maketext error kotlin
Java
0 vote281 views1 answer
Haxe interface
Java
0 vote297 views1 answer
Draaiom
Java
2 votes296 views1 answer
How can I do tf idf weighting in scikit learn?
Java
1 vote275 views3 answers
Java recursion
Java
0 vote293 views1 answer
Java read first line of file
Java
0 vote268 views1 answer
Java first character string number
Java