Match & Replace

TIP

If you're having an issue with your Match & Replace rule not taking affect, make sure you're looking at the un-prettified version of the request/response body by pressing the {} button within any request/response pane to ensure your spacing is correct.

Request Sections

Section	Target
Request Path	The path of a request.
Request Method	The HTTP method of a request.
Request Query	The query of a request.
Request First Line	The first line of a request.
Request Header	The header or headers of a request.
Request Body	The body data of a request.

Response Sections

Section	Target
Response First Line	The first line of a response.
Response Status Code	The HTTP status code of a response.
Response Header	The header or headers of a response.
Response Body	The body data of a response.

Request Query Section Actions

Action	Description
Update Raw	Makes modifications to the query as a whole.
Update Param	Matches against a query parameter key name and modifies its value.
Add Param	Appends an additional query parameter.
Remove Param	Removes a query parameter by key name.

Request Header/Response Header Section Actions

Action	Description
Update Raw	Makes modifications to the headers as a whole.
Update Value	Matches against a header's key name and modifies its value.
Add	Inserts a new header key-value pair.
Remove	Removes a header by key name.

Matcher

Matcher	Description
Full	Matches against the entire section will be replaced. If there are multiple section items, such as when dealing with headers, all instances will be replaced.
Regex	Matches against Rust flavor regular expressions.
String	Matches against string values.

NOTE

Caido does not currently support look-around and backreference regular expressions.

TIP

To test your regular expressions, visit regex101.com.

Replacer

Replacer	Description
Term	Replaces the match with a string value.
Workflow	Applies a workflow to the match.