private void ValidateAnhaenge(ns3BinaerAnhangTyp[] anhaenge) { string timestampExp = @"\d{4}\d{2}\d{2}\d{2}\d{2}\d{2}\d{0,4}"; Regex jahresAbschlussPdf = new Regex(string.Format("{0}{1}", Attachment.AttachmentIdTypeToElbaString(Attachment.AttachmentIdTypes.Japdf), timestampExp)); // PDF fehlt if (anhaenge.All(anhang => anhang.AnhangID != null && !jahresAbschlussPdf.Match(anhang.AnhangID).Success)) { AddHinweisFromErrorCode(Enums.Fehlercode.F150); } IEnumerable <Attachment.AttachmentIdTypes> attachmentIdTypes = Enum.GetValues(typeof(Attachment.AttachmentIdTypes)).Cast <Attachment.AttachmentIdTypes>(); List <Regex> regex = new List <Regex>(); foreach (Attachment.AttachmentIdTypes attachmentIdType in attachmentIdTypes) { if (attachmentIdType != Attachment.AttachmentIdTypes.Ohne) { regex.Add(new Regex(string.Format("{0}{1}", Attachment.AttachmentIdTypeToElbaString(attachmentIdType), timestampExp))); } } foreach (ns3BinaerAnhangTyp anhang in anhaenge) { if (anhang.AnhangID == null || !regex.Any(r => r.Match(anhang.AnhangID).Success)) { AddHinweisFromErrorCode(Enums.Fehlercode.F149); } } }