Federation operator domain names like switch.ch and dfn.de which are part of...

Federation operator domain names like switch.ch and dfn.de which are part of all URNs are now treated as in previous versions

functions.php

@@ -201,7 +201,9 @@ function getDomainNameFromURIHint(){
 	
 	// Return first matching IdP entityID that contains the client domain name
 	foreach ($IDProviders as $key => $value){
-		if (preg_match('/'.$clientDomainName.'/', $key)){
+		if (
+			   preg_match('/^http.+'.$clientDomainName.'/', $key)
+			|| preg_match('/^urn:.+'.$clientDomainName.'$/', $key)){ 
 			return $key;
 		}
 	}