using System;

using System.Text.RegularExpressions;

using System.Xml.Serialization;

using System.IO;

​

[XmlRoot]

public class Table

{

    [XmlElement]

    public String VIN;    

}

public class Program

{

    public static string extractVinFromXml(String xmlText){

        Regex rx = new Regex(".*<VIN>(.*)</VIN>.*", RegexOptions.Singleline);

        return rx.Replace(xmlText, "$1");

    }

    public static String getVinWithDeserialization(String xmlText){

        TextReader reader = new StringReader(xmlText);      

        XmlSerializer serializer = new XmlSerializer(typeof(Table));                

        Table table = (Table)serializer.Deserialize(reader);        

        return table.VIN;

    }

    public static void Main()

    {

        var xmlText = "<Table>\n<VIN>12345678</VIN>\n</Table>"; 

        Console.WriteLine(extractVinFromXml(xmlText));

        Console.WriteLine(getVinWithDeserialization(xmlText));                              

    }

}