Extended Persian String Methods

public static class ExtendedPersianString
    {
        public static string FixPersianName(this string text)
        {
            if (string.IsNullOrEmpty(text)) return text;
            return text.ApplyCorrectYeKe().ReplaceAlef().RemoveDiacritics().CleanUnderLines().RemovePunctuation().Trim().RemoveSpaces();
        }

        public static string ApplyCorrectYeKe(this string text)
        {
            if (string.IsNullOrEmpty(text)) return text;
            return text.Replace("ی", "ی").Replace("ک", "ک");
        }

        public static string RemoveDiacritics(this string text)
        {
            var normalizedString = text.Normalize(NormalizationForm.FormD);
            var stringBuilder = new StringBuilder();

            foreach (var c in normalizedString)
            {
                var unicodeCategory = CharUnicodeInfo.GetUnicodeCategory(c);
                if (unicodeCategory != UnicodeCategory.NonSpacingMark)
                {
                    stringBuilder.Append(c);
                }
            }

            return stringBuilder.ToString().Normalize(NormalizationForm.FormC);
        }

        public static string CleanUnderLines(this string text)
        {
            if (string.IsNullOrWhiteSpace(text))
                return string.Empty;

            const char chr1600 = (char)1600; //ـ=1600
            const char chr8204 = (char)8204; //‌=8204

            return text.Replace(chr1600.ToString(CultureInfo.InvariantCulture), "")
                       .Replace(chr8204.ToString(CultureInfo.InvariantCulture), "");
        }

        public static string RemovePunctuation(this string text)
        {
            return string.IsNullOrWhiteSpace(text) ? string.Empty : new string(text.Where(c => !char.IsPunctuation(c)).ToArray());
        }

        public static string RemoveSpaces(this string text)
        {
            return text.Replace(" ", "");
        }
    }