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Python Regular Expressions in Python Introduction to Regular Expressions Escapes

Ashley Justice
Ashley Justice
81 Points
Posted by Ashley Justice
Ashley Justice
81 Points

I keep getting a None group error. Anyone else have this issue?

I've tried adding a group in, but it just says Try Again!

escapes.py 
import re

def first_number (String):
    result.group(1) = re.search(r'\d', String)
    print(result.group(1))

1 Answer

Moosa Bonomali
Moosa Bonomali
6,297 Points
Moosa Bonomali
Moosa Bonomali
6,297 Points

The challenge requires that you search for the 1st number and return the match object. Rather than printing the result of the search , you should return the result of the search like this;

def first_number (String):
    result = re.search(r'\d', String)
    return result

or if you wanted to simplify, you can also this

def first_number (String):
    return re.search(r'\d', String)

If a match is not found the returned value will be None