List<String> malformedLines = new List<string>(); //keep track of all malformed lines in a row and then add them together then write the line
            string line = "";
            using (StreamReader reader = new StreamReader(filepath))
            {
                using (StreamWriter writer = new StreamWriter(System.Web.HttpContext.Current.Server.MapPath("~/dbfiles/temp.NFPOX")))
                {
                    while ((line = reader.ReadLine()) != null)
                    {
                        var trimmedLine = line.Trim();

                        Match match = startsWith.Match(trimmedLine,);
                        Match matchXML = startsWithXML.Match(trimmedLine);
                        Match matchEnd = endsWith.Match(trimmedLine);
                        Match matchRootStart = startRoot.Match(trimmedLine);
                        Match matchRootEnd = endRoot.Match(trimmedLine);

                        if ((matchXML.Success || matchRootStart.Success || matchRootEnd.Success) ||
                            (match.Success && matchEnd.Success))
                        {
                            if(brokenLinesFound > 0)
                            {
                                 brokenLinesFound = 0;
                                 var fixedLine = malformedLines.

                            }

                            writer.WriteLine(line);
                        }

                        else if (!match.Success)
                        {
                            brokenLinesFound += 1;
                            found_broken_lines = true;

                            if(brokenLinesFound > 0)
                            {
                                malformedLines.Add(trimmedLine);
                            }

                        }

                    }
                }
            }