HackerRank Matching Zero Or More Repetitions Solution

Hello Programmers, In this post, you will know how to solve the HackerRank Matching Zero Or More Repetitions Solution. This problem is a part of the Regex HackerRank Series.

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One more thing to add, don’t directly look for the solutions, first try to solve the problems of Hackerrank by yourself. If you find any difficulty after trying several times, then you can look for solutions.

HackerRank Matching Zero Or More Repetitions Solution

*
The * tool will match zero or more repetitions of character/character class/group.

For Example:

w* : It will match the character w 0 or more times.
[xyz]* : It will match the characters x, y or z 0 or more times.
\d* : It will match any digit 0 or more times.

Task

You have a test string S.
Your task is to write a regex that will match S using the following conditions:

• S should begin with 2 or more digits.
• After that, S should have 0 or more lowercase letters.
• S should end with 0 or more uppercase letters

Note

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

HackerRank Matching Zero Or More Repetitions Solutions in Cpp

HackerRank Matching Zero Or More Repetitions Solutions in Java

public class Solution {    
    public static void main(String[] args) {
        
        Regex_Test tester = new Regex_Test();
        tester.checker("^\\d{2,}[a-z]{0,}[A-Z]{0,}$"); // Use \\ instead of using \ 
    
    }
}

HackerRank Matching Zero Or More Repetitions Solutions in Python

Regex_Pattern = r'^[\d]{2,}[a-z]*[A-Z]*$'	# Do not delete 'r'.

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HackerRank Matching Zero Or More Repetitions Solutions in JavaScript

var Regex_Pattern = /^\d{2,}[a-z]*[A-Z]*$/;

HackerRank Matching Zero Or More Repetitions Solutions in PHP

$Regex_Pattern = "/^[0-9]{2,}[a-z]*[A-Z]*$/"; //Do not delete '/'. Replace __________ with your regex. 

Disclaimer: This problem (Matching Zero Or More Repetitions) is generated by HackerRank but the Solution is Provided by BrokenProgrammers. This tutorial is only for Educational and Learning purposes.

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