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            // Enter construction logic he;//re...
            var uri = "http://host.com";
            MessageBox.Show(uri.IndexOfAny(new char[] { '/', '?' }, 1).ToString()); //Em = 5 Browser = -1
            MessageBox.Show(uri.IndexOfAny(new char[] { '/', '?' }, 0).ToString()); //Em = 5 Browser = 5