| HTML Entity (dec) | [ |
| HTML Entity (hex) | [ |
| UTF-8 (hex) | 0x5b |
| UTF-8 (dec) | 91 |
| UTF-16-BE (hex) | 0x5b |
| UTF-16-BE (dec) | 0, 91 (2 bytes) |
| UTF-32-BE (hex) | 0x5b |
| UTF-32-BE (dec) | 0, 0, 0, 91 (4 bytes) |
| C/C++/Java source code | "\u005b" |
| Python source code | "\u005b" |