regexMatch property
The value of the header must match the regular expression specified in regexMatch.
For regular expression grammar, please see: en.cppreference.com/w/cpp/regex/ecmascript For matching against a port specified in the HTTP request, use a headerMatch with headerName set to Host and a regular expression that satisfies the RFC2616 Host header's port specifier.
Required.
Implementation
core.String? regexMatch;