Validate phone number
Write a function that uses regular expressions to determine if a given string is a valid US phone number.
Validate Hex Color Code
Write a function that validates hex color codes using regular expressions.
Showing 2 challenges · easy · Regular Expressions
Regular Expressions — Python coding challenges
What you will find here
This page lists regular expressions challenges — real Python problems you solve in the browser IDE with instant test feedback. Each challenge includes a clear brief, starter code, and automated checks.
Challenges vs tutorials and quizzes
Challenges test what you can build under constraints. For guided teaching, use our Python tutorials. For quick checks, try quizzes or copy snippets from code samples.