CSV to C# List of Cells

csv.cs

        private List<Dictionary<string, object>> CSVToListOfDictionary(string csv)
        {
            var items = new List<Dictionary<string, object>>();
            var headers = new List<object>();
            var lines = csv.Split(new string[] { "\r\n", "\n" }, StringSplitOptions.None);

            for (var i = 0; i < lines.Length; i++)
            {
                var line = lines[i].Trim();
                if (line == string.Empty)
                    continue;

                var cells = new List<object>();
                var regex = new Regex("((?<=\")[^\"]*(?=\"(,|$)+)|(?<=,|^)[^,\"]*(?=,|$))");
                foreach (Match m in regex.Matches(line))
                {
                    cells.Add(m.Value.Trim());
                }

                if (i == 0)
                {
                    headers = cells;
                    continue;
                }
                else
                {
                    var dictionary = new Dictionary<string, object>();
                    foreach (var header in headers)
                    {
                        var columnIndex = headers.IndexOf(header);
                        dictionary[header.ToString()] = cells[columnIndex];
                    }
                    items.Add(dictionary);
                }
            }
            return items;
        }

        private List<List<object>> CSVToCells(string csv)
        {
            var items = new List<List<object>>();
            var lines = csv.Split(new string[] { "\r\n", "\n" }, StringSplitOptions.None);

            for (var i = 0; i < lines.Length; i++)
            {
                var line = lines[i].Trim();
                if (line == string.Empty)
                    continue;

                var cells = new List<object>();
                var regex = new Regex("((?<=\")[^\"]*(?=\"(,|$)+)|(?<=,|^)[^,\"]*(?=,|$))");
                foreach (Match m in regex.Matches(line))
                {
                    cells.Add(m.Value.Trim());
                }
                items.Add(cells);                
            }
            return items;
        }