Regex Cheat Sheet Builder
Choose the regex concepts you need and generate a compact cheat sheet for JavaScript patterns.
A regex reference built for the job
Nobody remembers every regex token, and a generic cheat sheet is mostly noise when you only need a few. This builder lets you pick the concepts you are working with and generates a compact, focused cheat sheet for JavaScript patterns — just the anchors, classes, quantifiers, and groups relevant to what you are doing.
Keeping a tailored reference beside your editor is faster than searching docs mid-task and less overwhelming than a wall of syntax. It is equally useful as a learning aid: build a small sheet for one concept and internalize it before adding the next.
Private and instant
The cheat sheet is generated entirely in your browser, so there is nothing to install and nothing is uploaded. Copy it into your notes or keep the page open while you work.
Frequently Asked Questions
What does this regex cheat sheet include?
It builds a compact cheat sheet based on the pattern features you select, such as anchors, groups, character classes, and flags.
Does it test regex matches?
No. This tool creates reference notes. Use the Regex Tester for live matching.
Which regex flavor is this for?
The notes are written for common JavaScript regular expressions.
Is anything uploaded?
No. The cheat sheet is generated in your browser.
Need to test a pattern live? Use the existing regex tester.