Remove inner wrapped tag

            string RemoveWrapped(string inp)
            {
                var lastIndex = inp.IndexOf("</i>", StringComparison.Ordinal);
                if (lastIndex < 0) return inp;
                var index = inp.IndexOf("<i>", 0, lastIndex, StringComparison.Ordinal);
                if (index < 0) return inp;
                var nearestClosingIndex = inp.IndexOf("</i>", index + 4, lastIndex - index, StringComparison.Ordinal);
                if (nearestClosingIndex != lastIndex) return inp;
                inp = inp.Remove(nearestClosingIndex, 4);
                var nearestIndexFromRemoved = text.LastIndexOf("<i>", nearestClosingIndex, StringComparison.Ordinal);
                if (nearestIndexFromRemoved == index) return inp;
                return inp.Remove(nearestIndexFromRemoved, 3);
            }