For developers
Regex Tester online
Test regular expressions with match highlighting. Works free in your browser.
Privacy. Your data is processed locally in the browser and is not sent to WEB24 servers.
Flags
Matches: 9
The quick brown fox jumps over the lazy dog.
Match list
#1: The @ 0
#2: quick @ 4
#3: brown @ 10
#4: fox @ 16
#5: jumps @ 20
#6: over @ 26
#7: the @ 31
#8: lazy @ 35
#9: dog @ 40
How to use
- Open the tool — Use the form below.
- Enter your data — Paste or type the input.
- Copy the result — Use the output in your project.
FAQ
What is Regex Tester?
Test regular expressions with match highlighting.
Is data sent to a server?
No for most tools — processing stays in your browser.
Is it free?
Yes. No registration required.
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