DN split

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private List<string> GetDistinguishedNamePartList(bool withNameQualifier)
        {
            string ouQualifier = "ou=";
            string nameQualifier = "cn=";
            string domainQualifier = "dc=";

            string[] arrayOfEntryStrings = null;
            List<string> listOfEntryStrings = new List<string>();
            if (withNameQualifier)
            {
                arrayOfEntryStrings = Regex.Split(this.Value, string.Format("({0}|{1}|{2})", ouQualifier, domainQualifier, nameQualifier), RegexOptions.IgnoreCase);
                string temporaryString = string.Empty;
                foreach (string entryString in arrayOfEntryStrings)
                {
                    if (!string.IsNullOrEmpty(entryString))
                    {
                        if (entryString.ToLower().StartsWith(ouQualifier) || entryString.ToLower().StartsWith(domainQualifier) || entryString.ToLower().StartsWith(nameQualifier))
                        {
                            temporaryString = entryString;
                        }
                        else
                        {
                            temporaryString = string.Format("{0}{1}", temporaryString, entryString);
                            if (temporaryString.EndsWith(","))
                                listOfEntryStrings.Add(temporaryString.Substring(0, temporaryString.Length - 1));
                            else
                                listOfEntryStrings.Add(temporaryString);
                        }
                    }
                }
            }
            else
            {
                arrayOfEntryStrings = Regex.Split(this.Value, string.Format("{0}|{1}|{2}", ouQualifier, domainQualifier, nameQualifier), RegexOptions.IgnoreCase);

                foreach (string entryString in arrayOfEntryStrings)
                {
                    if (!string.IsNullOrEmpty(entryString))
                    {
                        if (entryString.EndsWith(","))
                            listOfEntryStrings.Add(entryString.Substring(0, entryString.Length - 1));
                        else
                            listOfEntryStrings.Add(entryString);
                    }
                }
            }

            return listOfEntryStrings;
        }