Added negative lookahead to getResourceName regex (#2122)

Author: JMach1

src/utils.ts

@@ -7,7 +7,7 @@ import { NameValuePair } from "./contracts/nameValuePair";
 
 export class Utils {
     public static getResourceName(resource: string, fullId: string, resultType: string = "name"): string {
-        const regexp = new RegExp(`\/${resource}\/(.*)`);
+        const regexp = new RegExp(`\/${resource}\/(?!${resource})(.*)`); // negative lookahead to escape cases when "resource" is in "fullId" multiple times in a row (e.g. ...apis/operations/operations/foo - https://github.com/Azure/api-management-developer-portal/issues/2112 )
         const matches = regexp.exec(fullId);
 
         if (matches && matches.length > 1) {