using System;

public class Program

{

    public static void Main()

    {

        WriteSanitizedValue(string.Empty);

        WriteSanitizedValue("/somefile.css");

        WriteSanitizedValue("/somefile.css?t=12343?123");

        WriteSanitizedValue("/somefile.css?t=12343");

    }

    private static void WriteSanitizedValue(string url){

        url = SanitizeCssUrlSetting(url);

        Console.WriteLine(url);

    }

    private static string SanitizeCssUrlSetting(string url)

    {

        url = url.Split('?')[0];

        return url;

    }

}