System.ComponentModel.ScriptExpression.ParseParts C# (CSharp) Method

        private static string[] ParseParts(string expression)
        {
            string[] pathParts = expression.Split('.');

            if ((pathParts != null) && (pathParts.Length != 0)) {
                foreach (string part in pathParts) {
                    if (IsValidIdentifier(part) == false) {
                        return null;
                    }
                }

                return pathParts;
            }
            return null;
        }