Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

Python Regular Expressions in Python Introduction to Regular Expressions Escapes

Evan Mnatsekanov
Evan Mnatsekanov
1,761 Points

Where is the number supposed to be coming from? What do I put after \d,?

I'm supposed to search for the fist number from some data but where is the data coming from(what do I out after r'\d',???

import re

first_number = re.search(r'\d')

1 Answer

Steven Parker
Steven Parker
217,443 Points

Instead of creating and assigning a variable, the instructions tell you to "Write a function named first_number". The string that your code should search will be passed as the argument to the function.

Also, the function should "return the match object", you won't need to print anything.