Regex tester
Regex tester — UTF-8. Processed on your device. Options: Pattern / Flags
Input
Example only; use “Try an example” to fill it in.
Load file
Files are processed in this browser, without uploading.
UTF-8
Result —
Processed on your device · Free to use · No sign-up
Example input and output
Input
Hello 123, world 456
Result
[
{
"index": 6,
"match": "123",
"groups": []
},
{
"index": 17,
"match": "456",
"groups": []
}
]How to use
- Enter or paste your content, or try the example.
- Run the tool and review the output.
- Copy your result or explore a related tool below.
Input format & limitations
Regex tester — UTF-8. Processed on your device. Options: Pattern / Flags
Frequently asked questions
Do I need to upload data or sign up?
Local tools do not send input. IP and DNS lookups send the query and connection IP to the listed third parties only after a click.