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467 challenges 330 easy 120 medium 17 hard

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Regular Expressions medium

Validate Email Regex

Implement a function that validates email addresses using regex with specific rules.

regex email validation

Regular Expressions hard

Match IPv6 Address

Write a function that uses a regex to validate whether a string is a fully expanded IPv6 address.

regex validation ipv6

Regular Expressions easy

Validate Hex Color Code

Write a function that validates hex color codes using regular expressions.

regex validation strings

Regular Expressions easy

Multiline anchor match

Extract lines beginning with a plain-text prefix from multiline strings using Python's re module.

regex anchors multiline

Showing 4 challenges · 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.