Test JavaScript regular expressions against sample text, inspect matches, and review captured groups.
Run the regex to inspect matches and groups.
Enter a regular expression pattern and any flags you need.
Paste the text you want to test against.
Review the matches, indices, and captured groups.
It follows the browser JavaScript RegExp engine because matching happens in the page.
Yes. Enter any standard JavaScript flags such as g, i, m, s, u, or y.
Run JSONPath expressions against nested JSON and inspect the exact matches that come back.
Encode query strings and URLs safely or decode percent-encoded text back into readable content.
Generate common cryptographic hashes for plain text input directly in the browser.