Kudu.Core.StringExtensions.ToSafeFileName C# (CSharp) Method

        public static string ToSafeFileName(this string str)
        {
            str = str.Trim()
                     .Replace(' ', '-');
            foreach (char c in Path.GetInvalidFileNameChars())
            {
                str = str.Replace(c, '-');
            }
            return str;
        }