Hello Programmers, In this post, you will learn how to solve HackerRank Matching Zero Or More Repetitions Solution. This problem is a part of the Regex HackerRank Series.
One more thing to add, don’t straight away look for the solutions, first try to solve the problems by yourself. If you find any difficulty after trying several times, then look for the solutions. We are going to solve the Regex HackerRank Solutions using CPP, JAVA, PYTHON, JavaScript & PHP Programming Languages.
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 Solution in Cpp
HackerRank Matching Zero Or More Repetitions Solution 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,}$"); // Use \\ instead of using \
}
}HackerRank Matching Zero Or More Repetitions Solution in Python
Regex_Pattern = r'^[\d]{2,}[a-z]*[A-Z]*$' # Do not delete 'r'.HackerRank Matching Zero Or More Repetitions Solution in JavaScript
var Regex_Pattern = /^\d{2,}[a-z]*[A-Z]*$/;HackerRank Matching Zero Or More Repetitions Solution 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 Chase2learn. This tutorial is only for Educational and Learning purposes.
