System.Text.RegularExpressions.MatchCollection matchCollection = System.Text.RegularExpressions.Regex.Matches(“[abc adf asdfe]”,@"\[(.*?)]",System.Text.RegularExpressions.RegexOptions.IgnoreCase);
                                foreach (System.Text.RegularExpressions.Match match in matchCollection)
                                {
                                    var value = match.Value.Replace(match.Value,"");

                                }