---
title: "POST /#X-Amz-Target=AWSWAF_Regional_20161128.DeleteRegexPatternSet"
method: POST
path: "/#X-Amz-Target=AWSWAF_Regional_20161128.DeleteRegexPatternSet"
---

# POST /#X-Amz-Target=AWSWAF_Regional_20161128.DeleteRegexPatternSet

`POST /#X-Amz-Target=AWSWAF_Regional_20161128.DeleteRegexPatternSet`

<note> <p>This is <b>AWS WAF Classic</b> documentation. For more information, see <a href="https://docs.aws.amazon.com/waf/latest/developerguide/classic-waf-chapter.html">AWS WAF Classic</a> in the developer guide.</p> <p> <b>For the latest version of AWS WAF</b>, use the AWS WAFV2 API and see the <a href="https://docs.aws.amazon.com/waf/latest/developerguide/waf-chapter.html">AWS WAF Developer Guide</a>. With the latest version, AWS WAF has a single set of endpoints for regional and global use. </p> </note> <p>Permanently deletes a <a>RegexPatternSet</a>. You can't delete a <code>RegexPatternSet</code> if it's still used in any <code>RegexMatchSet</code> or if the <code>RegexPatternSet</code> is not empty. </p>

## Headers

- `X-Amz-Target` 'AWSWAF_Regional_20161128.DeleteRegexPatternSet', required

## Request body

- DeleteRegexPatternSetRequest
  - `RegexPatternSetId` string, required — The <code>RegexPatternSetId</code> of the <a>RegexPatternSet</a> that you want to delete. <code>RegexPatternSetId</code> is returned by <a>CreateRegexPatternSet</a> and by <a>ListRegexPatternSets</a>.
  - `ChangeToken` string, required — The value returned by the most recent call to <a>GetChangeToken</a>.

## Response `200`

Success

- DeleteRegexPatternSetResponse
  - `ChangeToken` string — The <code>ChangeToken</code> that you used to submit the <code>DeleteRegexPatternSet</code> request. You can also use this value to query the status of the request. For more information, see <a>GetChangeTokenStatus</a>.

## Other responses

- `480` — WAFInternalErrorException
- `481` — WAFInvalidAccountException
- `482` — WAFNonexistentItemException
- `483` — WAFReferencedItemException
- `484` — WAFStaleDataException
- `485` — WAFNonEmptyEntityException

---

[API](https://skmtc.net/aws/apis/waf-regional.md) · [All operations](https://skmtc.net/aws/apis/waf-regional/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/aws/waf-regional/versions/12b830ff94fb/schema)