# Regex Tester

Test regular expressions against your text.

URL: https://everythingdeck.com/regex-tester

## Processing
Processing takes place in your browser. Inputs and files are not uploaded or retained.

## How to use
Enter a JavaScript regular expression without enclosing slashes, set flags, and add test text.

## Example
Use \b\d+\b with g to find whole numbers in a sentence.

## Inputs
text

## Outputs
text

## Capabilities
- regex matches
- capture groups
- regex replace

## Limitations
Patterns run in a worker with a timeout to stop catastrophic backtracking. JavaScript regex syntax applies.

## Related tools
- [JSON Formatter](https://everythingdeck.com/json/format)
- [UUID Generator](https://everythingdeck.com/uuid-generator)
- [Password Generator](https://everythingdeck.com/password-generator)