CMS_Migration_Utility.formMigration.IsValidLink C# (CSharp) Method

        private bool IsValidLink(string lookupText)
        {
            bool result = false;
            string[] validFileTypes = { ".html", ".htm", ".doc", ".docx", ".xls", ".xlsx", ".txt", ".pdf" };

            foreach (string type in validFileTypes)
            {
                if (lookupText.EndsWith(type))
                {
                    result = true;
                    break;
                }
            }
            return result;
        }