In this post, we will solve Matching Zero Or More Repetitions HackerRank Solution. This problem (Matching Zero or More Repetitions) is a part of HackerRank Regex series.
Objective
*
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 (_________
).
Solution – Matching Zero Or More Repetitions – HackerRank Solution
Python
Regex_Pattern = r'^\d{2,}[a-z]*[A-Z]*$' # Do not delete 'r'. import re print(str(bool(re.search(Regex_Pattern, input()))).lower())
Note: This problem (Matching Zero Or More Repetitions) is generated by HackerRank but the solution is provided by CodingBroz. This tutorial is only for Educational and Learning purpose.