Developer Tools

Regex Crossword — Practice Regex with Puzzles

Fill a grid so each row and column matches its regex clue. Practice character classes, quantifiers, and groups through puzzles.

RegexGameLearning

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Quick actions

Copy this tool URL or open the system share sheet on a supported device.

Use cases

  • Practice regex playfully
  • Reinforce classes and quantifiers
  • Short puzzles between coding tasks

How to use

  1. Read row and column clues
  2. Fill candidate characters
  3. Validate the grid

Example input and output

Clues

Row: [ab]{2}  Col: a+

Approach

Two-cell combo must satisfy both rules

FAQ

Are hints available?

Depends on the page controls; try solving before revealing answers.

How is this different from a regex tester?

This is a puzzle; the tester runs matches/replacements on real text.

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