MongoDB.Collection.NameOk C# (CSharp) Метод

        public static bool NameOk(string name)
        {
            return
            !string.IsNullOrWhiteSpace(name)
            && !name.First().Equals('.')
            && !name.Last().Equals('.')
            && !name.Contains("..")
            && (!name.Contains('$') || name.StartsWith("$cmd") || name.StartsWith("oplog.$main"));
        }