URL Rewrite

Overview

The URL Rewrite action allows you to transform the URL path and query parameters of the incoming request.

Behavior

When executed, this action will replace all regex matches with the configured replacement. Before regex replacement, all named variables will be replaced with their corresponding values.

Configuration

Type
url-rewrite

Parameter		Description
from	string	A regular expression string to match inside of the URL.
to	string	A regular expression string to replace the from match with. Also contains special named variables outside of regular regex.

Named Variables

Keyword	Description
$args	Replaces $args with a list of "&" delimited query parameters: "args1=value1&arg2=value2&...&argn=valuen"
$query_string	Replaces $query_string with a list of "&" delimited query parameters: "args1=value1&arg2=value2&...&argn=valuen"
$is_args	Replaces $is_args with "?" if args are present, "" if not.
$uri	Replaces $uri with the request URI: path?query.
$arg_<name>	Replaces $arg_name with the value of query parameter name if it exists in the request, "" if not. name must only be comprised of digits, letters, and the "_" character. If there is more than one value assigned to name, only the first value will be substituted.
$scheme	Replaces $scheme with the scheme of the request, either http or https.
$host	Replaces $host with the hostname of the request.