Code Lab · Bench
Regex Tester
Test regular expressions with live matches
Matches (2)
Contact alex@email.com or hello@withinbench.com for info.
1. alex@email.com — groups: [alex, email.com]
2. hello@withinbench.com — groups: [hello, withinbench.com]
Private by designThis bench runs within your browser. Supported files stay on this device while you work.
About this bench
About Regex Tester
Test JavaScript regular expressions against your own text with live match highlighting and capture groups.
Input
Paste the code or structured data you want to inspect, format, convert or validate.
Result
A local validation, transformation or copy-ready result based on the selected options.
Limits
This bench does not execute or deploy your project. Validate generated output in the real target environment before production use.
How to use Regex Tester
- 01Enter your regex pattern and flags above.
- 02Paste the test text below it.
- 03See matches highlighted in real time.
- 04Tweak the pattern until it matches what you want.
Frequently asked questions
Which regex flavour is used?
JavaScript regular expressions.
Is my text private?
Nothing is uploaded. This tool runs entirely in your browser, so your data is processed on your own device and never sent to a server.