Regex Playground

Live Playable

Test and explain regular expressions against sample text with live match highlighting.

https://example.com/regex-playground

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About this project

A single-page regex tester that highlights every match as you type, explains each token in plain English, and generates ready-to-paste snippets for JavaScript, Python and Go.

Origin prompt

copied 148 times

origin-prompt.txt

$ Build a regex playground where I can type a pattern and sample text, see all matches highlighted live, and get a plain-English breakdown of each token. Include copy buttons for JavaScript, Python and Go snippets.

Reviews (2)

devonbuilds8/6/2026
UI: 5/5Functionality: 5/5
The token-by-token explanation is the part I did not know I needed. Replaced two bookmarks with this.
sana_dev8/6/2026
UI: 4/5Functionality: 5/5
Fast and accurate. I would love a saved-patterns list, but the core is excellent.