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Python Regular Expressions in Python Introduction to Regular Expressions Word Length

kushagra jain
PLUS
kushagra jain
Courses Plus Student 2,563 Points
Posted by kushagra jain
kushagra jain
Courses Plus Student 2,563 Points

what's wrong in this?

showing:object of type 'NoneType' has no len()

word_length.py 
import re

# EXAMPLE:
# >>> find_words(4, "dog, cat, baby, balloon, me")
# ['baby', 'balloon']

def find_words(cnt,expression):
    return re.search(r"\w{len(cnt),}",expression)

1 Answer

Renato Guzman
Renato Guzman
51,437 Points
Renato Guzman
Renato Guzman
51,437 Points

The variable cnt is a number. The second parameter is the list.

find_words(4, "dog, cat, baby, balloon, me")
find_words(cnt, expression)