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Python Regular Expressions in Python Introduction to Regular Expressions Sets

6,587 Points

Is \d required when \w is being used such as in the email address search?

My understanding is the \w also looks for (0-9_) so why include \d (0-9) as well?

1 Answer

Chris Freeman
Chris Freeman
Treehouse Moderator 68,106 Points

You are correct. In Python, \d is a subset of \w making the inclusion of \d redundant.