Category Archives: RegEx(hackerrank.com)

Matching Specific String

Task

You have a test string S. Your task is to match the string hackerrank. This is case sensitive.

Note

This is a regex only challenge. You are not required to write code.
You only have to fill in the regex pattern in the blank (_________).

import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;
public class Solution {
    public static void main(String[] args) {
        Regex_Test tester = new Regex_Test();
        tester.checker("hackerrank");
    }
}
class Regex_Test {
    public void checker(String Regex_Pattern){
        Scanner Input = new Scanner(System.in);
        String Test_String = Input.nextLine();
        Pattern p = Pattern.compile(Regex_Pattern);
        Matcher m = p.matcher(Test_String);
        int Count = 0;
        while(m.find()){
            Count += 1;
        }
        System.out.format("Number of matches : %d",Count);
    }
}
Advertisements