System.Net.CookieContainer.CookieContainer.SetCookies C# (CSharp) Method

		public void SetCookies (Uri uri, string cookieHeader)
		{
			if (uri == null)
				throw new ArgumentNullException ("uri");
			
			if (cookieHeader == null)
				throw new ArgumentNullException ("cookieHeader");			
			
			if (cookieHeader.Length == 0)
				return;
			
			// Cookies must be separated by ',' (like documented on MSDN)
			// but expires uses DAY, DD-MMM-YYYY HH:MM:SS GMT, so simple ',' search is wrong.
			// See http://msdn.microsoft.com/en-us/library/aa384321%28VS.85%29.aspx
			string [] jar = cookieHeader.Split (',');
			string tmpCookie;
			for (int i = 0; i < jar.Length; i++) {
				tmpCookie = jar [i];

				if (jar.Length > i + 1
					&& Regex.IsMatch (jar[i],
						@".*expires\s*=\s*(Mon|Tue|Wed|Thu|Fri|Sat|Sun)",
						RegexOptions.IgnoreCase) 
					&& Regex.IsMatch (jar[i+1],
						@"\s\d{2}-(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)-\d{4} \d{2}:\d{2}:\d{2} GMT",
						RegexOptions.IgnoreCase)) {
					tmpCookie = new StringBuilder (tmpCookie).Append (",").Append (jar [++i]).ToString ();
				}

				try {
					Cookie c = Parse (tmpCookie);

					// add default values from URI if missing from the string
					if (c.Path.Length == 0) {
						c.Path = uri.AbsolutePath;
					} else if (!uri.AbsolutePath.StartsWith (c.Path)) {
						string msg = String.Format ("'Path'='{0}' is invalid with URI", c.Path);
						throw new CookieException (msg);
					}

					if (c.Domain.Length == 0) {
						c.Domain = uri.Host;
						// don't consider domain "a.b.com" as ".a.b.com"
						c.ExactDomain = true;
					}

					AddCookie (c);
				}
				catch (Exception e) {
					string msg = String.Format ("Could not parse cookies for '{0}'.", uri);
					throw new CookieException (msg, e);
				}
			}
		}