public static void Main()
string testQuote = "testquote”";
Console.WriteLine((int) testQuote[testQuote.Length-1]);
using var stringWrt = new StringWriter();
using (var s = new JsonTextWriter(stringWrt))
s.StringEscapeHandling = StringEscapeHandling.EscapeHtml;
s.WritePropertyName("blah");
var json = stringWrt.ToString();
Console.WriteLine((int) json[json.Length-3]);