private void TestIfUrlIsBaseOfPage()
    {
        var urlWithoutQueryParameterWithDot = "https://example.com/customer?weight=62";
        var urlWithQueryParameterWithDot = "https://example.com/customer?weight=62.5";

        var isAddressWithoutDotBaseOfPage = new Uri("https://example.com").IsBaseOfPage(urlWithoutQueryParameterWithDot); // true
        var isAddressWithDotBaseOfPage = new Uri("https://example.com").IsBaseOfPage(urlWithQueryParameterWithDot); // false but expected true

        var isAddressWithoutDotAFilePath = Path.HasExtension(urlWithoutQueryParameterWithDot); // false
        var isAddressWithDotAFilePath = Path.HasExtension(urlWithQueryParameterWithDot); // true but expected false

        Console.WriteLine($"{urlWithoutQueryParameterWithDot}: {nameof(isAddressWithoutDotBaseOfPage)}: {isAddressWithoutDotBaseOfPage}");
        Console.WriteLine($"{urlWithQueryParameterWithDot}: {nameof(isAddressWithDotBaseOfPage)}: {isAddressWithDotBaseOfPage}");
        Console.WriteLine($"{urlWithoutQueryParameterWithDot}: {nameof(isAddressWithoutDotAFilePath)}: {isAddressWithoutDotAFilePath}");
        Console.WriteLine($"{urlWithQueryParameterWithDot}: {nameof(isAddressWithDotAFilePath)}: {isAddressWithDotAFilePath}");
    }

this outputs:
https://example.com/customer?weight=62: isAddressWithoutDotBaseOfPage: True
https://example.com/customer?weight=62.5: isAddressWithDotBaseOfPage: False
https://example.com/customer?weight=62: isAddressWithoutDotAFilePath: False
https://example.com/customer?weight=62.5: isAddressWithDotAFilePath: True