# RegexAction

> This document is the Markdown version of [valibot.dev/api/RegexAction/](https://valibot.dev/api/RegexAction/). For the complete documentation index, see [llms.txt](https://valibot.dev/llms.txt).

Regex action interface.

## Generics

- `TInput` `extends string`
- `TMessage` `extends ErrorMessage<RegexIssue<TInput>> | undefined`

## Definition

- `RegexAction` `extends BaseValidation<TInput, TInput, RegexIssue<TInput>>`
  - `type` `'regex'`
  - `reference` `typeof regex`
  - `expects` `string`
  - `requirement` `RegExp`
  - `message` `TMessage`