| HTML Entity (dec) | 替 | 
| HTML Entity (hex) | 替 | 
| UTF-8 (hex) | 0xe69bbf / 0xe6 0x9b 0xbf (3 bytes) | 
| UTF-8 (dec) | 230, 155, 191 (3 bytes) | 
| UTF-16-BE (hex) | 0x66ff / 0x66 0xff (2 bytes) | 
| UTF-16-BE (dec) | 102, 255 (2 bytes) | 
| UTF-32-BE (hex) | 0x66ff / 0x00 0x00 0x66 0xff (4 bytes) | 
| UTF-32-BE (dec) | 0, 0, 102, 255 (4 bytes) | 
| C/C++/Java source code | "\u66ff" | 
| Python source code | "\u66ff" |