r#""hello\" \\ \/ \b \f\n\r\t""#, r#""hello\u0234\u005c \uD834\uDD1E""#, r#""汉语 / 漢語; Hàn\b \tyǔ ""#, r#""'é' character is one Unicode code point \u00e9 while 'é' \u0065\u0301 ""#,