Step 1
Test text
Enter or paste the content you want to process.
Regex Tester
Test regex matches, groups and flags online. Free to use with no sign-up required.
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Words: 0
Supports manual flag input so you can validate named groups and repeated matches quickly.
Match details and capture groups will appear here.
How To Use
Step 2
Process
Run Regex Tester with one click.
Step 3
Match output
Review the output and copy or reuse it.
FAQ
Which flags are supported?
It supports native JavaScript RegExp flags such as g, i, m, s, u and y.
Does it show capture groups?
Yes. Both numbered groups and named groups are included in the output.
What is it best for?
It works well for log extraction, form validation, text parsing and code debugging.
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