Expression prefixes for text in HTTP requests and responses

An HTTP request or response typically contains text, such as in the form of headers, header values, URLs, and POST body text. You can configure expressions to operate on one or more of these text-based items in an HTTP request or response.

Refer to the Expression Prefix table for information on how to configure and extract text from different parts of an HTTP request or response.

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Expression prefixes for text in HTTP requests and responses

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