static public void ReplaceInFile(string filePath, string searchText, string replaceText)
        {
            StreamReader reader = new StreamReader(filePath);

            string content = reader.ReadToEnd();
            reader.Close();

            content = Regex.Replace(content, searchText, replaceText);

            StreamWriter writer = new StreamWriter("ute.nfo");
            writer.Write(content);
            writer.Close();
        }