| Character Set | Hex Byte(s) |
|---|---|
| Big5-HKSCS | fefd |
| CESU-8 | efbfbd |
| GB18030 | 8431a437 |
| UTF-16 | fefffffd |
| UTF-16BE | fffd |
| UTF-16LE | fdff |
| UTF-32 | 0000fffd |
| UTF-32BE | 0000fffd |
| UTF-32LE | fdff0000 |
| UTF-8 | efbfbd |
| x-Big5-HKSCS-2001 | fefd |
| x-MS950-HKSCS | fefd |
| x-MS950-HKSCS-XP | fedd |
| x-UTF-16LE-BOM | fffefdff |
| X-UTF-32BE-BOM | 0000feff0000fffd |
| X-UTF-32LE-BOM | fffe0000fdff0000 |
