ADBaseLibrary.Subtitles.Languages.CodeFromLanguage C# (CSharp) Method

        public static string CodeFromLanguage(string str)
        {
            str = str.ToLower(CultureInfo.InvariantCulture);
            if (str.Contains("eng"))
                return "eng";
            if (str.Contains("spa"))
                return "spa";
            if (str.Contains("fre"))
                return "fra";
            if (str.Contains("ger"))
                return "deu";
            if (str.Contains("ita"))
                return "ita";
            if (str.Contains("por"))
                return "por";
            if (str.Contains("rus"))
                return "rus";
            if (str.Contains("ara"))
                return "ara";
            if (str.Contains("chi"))
                return "zho";
            if (str.Contains("hindi"))
                return "hin";
            if (str.Contains("jap"))
                return "jpn";
            if (str.Contains("kor"))
                return "kor";
            if (str.Contains("tha"))
                return "tha";
            return "unk";
        }