Request Syntax Request Parameters Response Syntax Response Elements Errors See Also

DeleteRegexMatchSet

Note

AWS WAF Classic support will end on September 30, 2025.

This is AWS WAF Classic documentation. For more information, see AWS WAF Classic in the developer guide.

For the latest version of AWS WAF , use the AWS WAFV2 API and see the AWS WAF Developer Guide. With the latest version, AWS WAF has a single set of endpoints for regional and global use.

Permanently deletes a RegexMatchSet. You can't delete a RegexMatchSet if it's still used in any Rules or if it still includes any RegexMatchTuples objects (any filters).

If you just want to remove a RegexMatchSet from a Rule, use UpdateRule.

To permanently delete a RegexMatchSet, perform the following steps:

Update the RegexMatchSet to remove filters, if any. For more information, see UpdateRegexMatchSet.
Use GetChangeToken to get the change token that you provide in the ChangeToken parameter of a DeleteRegexMatchSet request.
Submit a DeleteRegexMatchSet request.

Request Syntax


{
   "ChangeToken": "string",
   "RegexMatchSetId": "string"
}

Request Parameters

For information about the parameters that are common to all actions, see Common Parameters.

The request accepts the following data in JSON format.

ChangeToken

The value returned by the most recent call to GetChangeToken.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 128.

Pattern: .*\S.*

Required: Yes

RegexMatchSetId

The RegexMatchSetId of the RegexMatchSet that you want to delete. RegexMatchSetId is returned by CreateRegexMatchSet and by ListRegexMatchSets.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 128.

Pattern: .*\S.*

Required: Yes

Response Syntax


{
   "ChangeToken": "string"
}

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

ChangeToken

The ChangeToken that you used to submit the DeleteRegexMatchSet request. You can also use this value to query the status of the request. For more information, see GetChangeTokenStatus.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 128.

Pattern: .*\S.*

Errors

For information about the errors that are common to all actions, see Common Errors.

WAFInternalErrorException

The operation failed because of a system problem, even though the request was valid. Retry your request.

HTTP Status Code: 500

WAFInvalidAccountException

The operation failed because you tried to create, update, or delete an object by using an invalid account identifier.

HTTP Status Code: 400

WAFNonEmptyEntityException

The operation failed because you tried to delete an object that isn't empty. For example:

You tried to delete a WebACL that still contains one or more Rule objects.
You tried to delete a Rule that still contains one or more ByteMatchSet objects or other predicates.
You tried to delete a ByteMatchSet that contains one or more ByteMatchTuple objects.
You tried to delete an IPSet that references one or more IP addresses.

HTTP Status Code: 400

WAFNonexistentItemException

The operation failed because the referenced object doesn't exist.

HTTP Status Code: 400

WAFReferencedItemException

The operation failed because you tried to delete an object that is still in use. For example:

You tried to delete a ByteMatchSet that is still referenced by a Rule.
You tried to delete a Rule that is still referenced by a WebACL.

HTTP Status Code: 400

WAFStaleDataException

The operation failed because you tried to create, update, or delete an object by using a change token that has already been used.

HTTP Status Code: 400