Validating credit card numbers

python
import re

def check(card):
    if not re.search("^[456]\d{3}(-?\d{4}){3}$",card) or re.search(r"(\d)\1{3}", re.sub("-", "",card)):
        return False
    return True

for i in range(int(input())):
    print("Valid" if check(input()) else "Invalid")

Source: thepoorcoder.com

Similar codes

0 vote242 views1 answer
Extract x y coordinates from image in pdf python
Python
0 vote235 views1 answer
How to place an id to every element in list in python
Python
0 vote237 views1 answer
What is certifi module in python
Python
2 votes207 views1 answer
Give a function a name python
Python
0 vote228 views1 answer
Python dlib
Python
1 vote218 views1 answer
Sparse categorical cross entropy python
Python
0 vote214 views1 answer
Mechanize python XE #27
Python
0 vote220 views1 answer
Capitalize first word of a phrase in python
Python
0 vote224 views2 answers
If list of columns exist pandas
Python
3 votes206 views2 answers
How to run shell command in python
Python