| Character Set | Hex Byte(s) |
|---|---|
| CESU-8 | e3b4a1 |
| GB18030 | 8231db32 |
| UTF-16 | feff3d21 |
| UTF-16BE | 3d21 |
| UTF-16LE | 213d |
| UTF-32 | 00003d21 |
| UTF-32BE | 00003d21 |
| UTF-32LE | 213d0000 |
| UTF-7 | 2b5053452d |
| UTF-7-OPTIONAL | 2b5053452d |
| UTF-8 | e3b4a1 |
| x-EUC-TW | 8eafbcda |
| x-UTF-16LE-BOM | fffe213d |
| X-UTF-32BE-BOM | 0000feff00003d21 |
| X-UTF-32LE-BOM | fffe0000213d0000 |