Character U+00BF
Char U+00BF
Char
¿
Unicode
U+BF
Conversion Results
dec: 191
hex: 0xBF
oct: 277
bin: 10111111
Appears in charsets
Canonical
/char/u00bfUnicode & UTF
Unicode 映射与其在常见编码（UTF‑8/16/32）中的表示，便于复制粘贴与调试。
| Unicode | U+BF | |
| Unicode dec | 191 | |
| UTF-8 (hex) | C2 BF | |
| UTF-8 (bin) | 11000010 10111111 | |
| UTF-16 | 00BF | |
| UTF-32 | 000000BF |
HTML & URL
Web 场景常用的 HTML 实体、URL 转义与 QP 编码，方便在页面/邮件/日志中使用。
| HTML Number | ¿ | |
| HTML Hex | ¿ | |
| URL Escape | %C2%BF | |
| Quoted-printable | =C2=BF |
Source Code Escapes
C, C++, and Java
"\u00BF"
CSS Code
\00BF
JavaScript
"\u00BF"
Perl
\x{BF}
Python 2
u"\u00BF"
Python 3
"\u00BF"
Ruby
\u{BF}