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Python Regular Expressions in Python Introduction to Regular Expressions Phone Numbers

Whats wrong here?

phone_number.py
import re
def phone_numbers(number):
    return(re.findall(r'd\{3}-d\{3}-d\{4}', number))

1 Answer

Steven Parker
Steven Parker
229,005 Points

You're close, but a "d" by itself just matches the letter "d". To match any digit it needs to be preceded by a backslash ("\d").

On the other hand, you don't need a backslash in front of the braces.