Seems like we are prepared for UTF-8

Patch best viewed with -b

src/tests/b01.vtc

@@ -6,23 +6,32 @@ server s1 {
 } -start
 
 varnish v1 -vcl+backend {
+	import blob;
 	import re from "${vmod_topbuild}/src/.libs/libvmod_re.so";
 
 	sub vcl_init {
-	        new foobar = re.regex("foobar");
+		new foobar = re.regex("foobar");
 		new snafu = re.regex("snafu");
 		new bar = re.regex("bar");
+		new unicode = re.regex("(*UTF)Sm.rrebr.d");
 	}
 
-        sub vcl_recv {
-                if (foobar.match(req.url)) {
-                        return(pass);
-                } else if (snafu.match(req.url)) {
-                        return(pipe);
-                } else {
-                        return(pass);
-                }
-        }
+	sub vcl_recv {
+		if (req.url ~ "%") {
+			set req.url = blob.transcode(decoding=URL,
+			    encoded=req.url);
+		}
+
+		if (unicode.match(req.url)) {
+			return(synth(200, "Yummy"));
+		} else if (foobar.match(req.url)) {
+			return(pass);
+		} else if (snafu.match(req.url)) {
+			return(pipe);
+		} else {
+			return(pass);
+		}
+	}
 
 	sub vcl_backend_response {
 		if (bar.match(beresp.http.foo)) {
@@ -46,4 +55,9 @@ client c1 {
 	expect resp.status == "200"
 	expect resp.http.foo1 == "1"
 	expect resp.http.bar1 == "2"
+
+	txreq -url "/Sm%C3%B8rrebr%C3%B8d"
+	rxresp
+	expect resp.status == "200"
+	expect resp.reason == "Yummy"
 } -run