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In this post, you will find the solution for Incorrect Regex in Python-HackerRank Problem. We are providing the correct and tested solutions of coding problems present on HackerRank. If you are not able to solve any problem, then you can take help from our Blog/website.
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Link for the Problem – Incorrect Regex in Python โ HackerRank Solution
Incorrect Regex in Python โ HackerRank Solution
Problem:
You are given a string .
Your task is to find out whether is a valid regex or not.
Input Format
The first line contains integer , the number of test cases.
The next lines contains the string .
Constraints
Output Format
Print “True” or “False” for each test case without quotes.
Sample Input
2 .*\+ .*+
Sample Output
True False
Explanation
.*\+ : Valid regex.
.*+: Has the error multiple repeat
. Hence, it is invalid.
Incorrect Regex in Python โ HackerRank Solution
import re; N = int(input()) for _ in range(N): try: re.compile(input()) Output = True except re.error: Output = False print(Output)
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