Algorithm
Problem Name: Python -
In this HackerRank Functions in PYTHON problem solution,
You are given a string S .
Your task is to find out whether S is a valid regex or not.
Input Format
The first line contains integer T, the number of test cases.
The next T lines contains the string S.
Constraints
0 < T <100
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.
Code Examples
#1 Code Example with Python Programming
Code -
Python Programming
import re
count = int(input())
for i in range(count):
try:
regex = re.compile(input())
print(True)
except:
print(False)