RegHex
RegHexiPhone & iPad, Mac, Android phones & tablets

Every clue is a pattern.

A regex crossword game. Fill rectangular and rotating hexagonal grids until every line matches its clue.

Explore featuresComing soon
iOS / iPadOS 18 or latermacOS 15 or laterAndroid 8 or later

Made by Mihail Duchev

RegHex hexagonal puzzle with letters and live clue feedbackRegHex hexagonal puzzle with letters and live clue feedback

What you can do.

A new angle on crosswords

Every clue is a regular expression. Fill rectangular grids or rotate hexagonal boards to see how the patterns meet.

Learn as you play

Start with the tutorial and work through four difficulty levels. Live clue feedback, hints, and a searchable regex reference help you find your next move.

Make it a daily puzzle

Explore 200 puzzles, including an 80-puzzle daily rotation and a 30-day archive. Track your streaks, best times, and achievements on your device.

Create something puzzling

Build a puzzle, check that it has one solution, and share it as a compact text code. Your next favorite grid can be your own.

Good to know.

Have another question?
Get in touch.

Can I download RegHex yet?

RegHex is preparing for launch on iPhone, iPad, Mac, and Android. Official download links will appear here when it is available.

Do I need to know regular expressions?

You can begin with the guided tutorial. Hints, live clue feedback, and the built-in reference help you learn the patterns as you play.

Can I play offline?

Yes. The built-in puzzles, reference, and editor work without an internet connection or a RegHex account.

Is every daily puzzle new?

The daily challenge rotates through a bundled pool of 80 puzzles. You can revisit the previous 30 days in the archive.

Can I share my own puzzles?

Yes. The editor checks for a unique solution and produces a text code you can send to someone else. RegHex can import that code on Apple and Android devices.

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