fix regex to account for 2 digit or 1 digit named .nupkgs

src/code/LocalServerApiCalls.cs

@@ -260,7 +260,7 @@ private FindResults FindNameHelper(string packageName, string[] tags, bool inclu
             string actualPkgName = packageName;
 
             // this regex pattern matches packageName followed by a version (4 digit or 3 with prerelease word)
-            string regexPattern = $"{packageName}" + @"\.\d+\.\d+\.\d+(?:[a-zA-Z0-9-.]+|.\d)?.nupkg";
+            string regexPattern = $"{packageName}" + @"(\.\d+){1,3}(?:[a-zA-Z0-9-.]+|.\d)?\.nupkg";
             Regex rx = new Regex(regexPattern, RegexOptions.Compiled | RegexOptions.IgnoreCase);
             _cmdletPassedIn.WriteDebug($"package file name pattern to be searched for is: {regexPattern}");