上下双箭头 ⇕
| 配對後視鏡支架類型（bidi） | None |
| 成分排除 | No |
| 案例變更 | 21D5 |
| 簡單的大小寫更改 | 21D5 |
| Math | + |
| Grapheme_Base | + |
| scripts | Common |
| Other_Math | + |
| Pattern_Syntax | + |
| 编码 | hex | dec (bytes) | dec | binary |
|---|---|---|---|---|
| UTF-8 | E2 87 95 | 226 135 149 | 14845845 | 11100010 10000111 10010101 |
| UTF-16BE | 21 D5 | 33 213 | 8661 | 00100001 11010101 |
| UTF-16LE | D5 21 | 213 33 | 54561 | 11010101 00100001 |
| UTF-32BE | 00 00 21 D5 | 0 0 33 213 | 8661 | 00000000 00000000 00100001 11010101 |
| UTF-32LE | D5 21 00 00 | 213 33 0 0 | 3575709696 | 11010101 00100001 00000000 00000000 |
