Function ExampleRoute_HeadersRegexp_exactMatch

example_route_test.go:35–51

This example demonstrates setting a strict regular expression matcher for the header value. Using the start and end of string anchors, the value must be an exact match.

()

// for the header value. Using the start and end of string anchors, the
// value must be an exact match.
func ExampleRoute_HeadersRegexp_exactMatch() {
	r := mux.NewRouter()
	route := r.NewRoute().HeadersRegexp("Origin", "^https://example.co$")

	yes, _ := http.NewRequest("GET", "example.co", nil)
	yes.Header.Set("Origin", "https://example.co")

	no, _ := http.NewRequest("GET", "example.co.uk", nil)
	no.Header.Set("Origin", "https://example.co.uk")

	matchInfo := &mux.RouteMatch{}
	fmt.Printf("Match: %v %q\n", route.Match(yes, matchInfo), yes.Header["Origin"])
	fmt.Printf("Match: %v %q\n", route.Match(no, matchInfo), no.Header["Origin"])
	// Output:
	// Match: true ["https://example.co"]
	// Match: false ["https://example.co.uk"]
}