public int ExtractMmsiFromHtml(string html_document_1) { if (_creator.CreateNodeCollection(html_document_1) != null) { foreach (HtmlNode row in _creator.CreateNodeCollection(html_document_1)) { if (_stringParser.IsContainingMmsi(row.InnerHtml)) { return(_stringParser.ParsedInt(_stringParser.GetTrimmedMmsi(row.InnerHtml))); } } } return(0); }