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Python Regular Expressions in Python Introduction to Regular Expressions Negated Numbers

Rabih Atallah
Rabih Atallah
3,405 Points

code challenge

Please how can I fix my script so that 5,6 and 7 are taken out of the string: '1234567890'

negate.py
import re

string = '1234567890'
good_numbers = re.findall(r'\d[^5-7]', string)

1 Answer

Chris Freeman
MOD
Chris Freeman
Treehouse Moderator 67,736 Points

Your regex says: "any-digit followed by anything that isn't a 5, 6, or 7". Try removing the \d so your the regex becomes "anything that isn't a 5, 6, or 7".

Rabih Atallah
Rabih Atallah
3,405 Points

It worked by removing \d. re.findall(r'[5,6,7]', string) Thanks!