private string MakeProperFileNameFromUrlWithEnding(string url, string ending) { string fileNameToReturn = url.Trim(); fileNameToReturn = Regex.Replace(fileNameToReturn, "(http|https)://", String.Empty).Trim(); fileNameToReturn = Crawler.ReplaceAllIllegalCharactersInPathWith(fileNameToReturn, "_"); fileNameToReturn += ending; return(fileNameToReturn); }