字母“ R”,也用于创建一对区域指示符符号,这些符号对编码,例如🇷🇺俄罗斯国旗的RU代码,在支持的平台上显示为表情符号。
| 类别 | ❗ Format | 
| 亚组 | Letter | 
| Codepoints | 1F1F7 | 
| HTML hex | 🇷 | 
| HTML dec | 🇷 | 
| URL escape code | %F0%9F%87%B7 | 
| Punycode | xn--v77h | 
| Bytes (UTF-8) | f0 9f 87 b7 | 
| JavaScript, JSON, Java | \uD83C\uDDF7 | 
| C, C++, Python | \U0001f1f7 | 
| CSS | \01F1F7 | 
| PHP, Ruby | \u{1F1F7} | 
| Perl | \x{1F1F7} |