¬ is the Unicode character FULLWIDTH NOT SIGN, code point U+FFE2 (decimal 65506) in the Halfwidth and Fullwidth Forms block, added in Unicode 1.1. In HTML write ¬, and in UTF-8 it is the 3 bytes EF BF A2.
Codes
| Where | How to write it |
|---|---|
| Code point | U+FFE2 |
| Decimal | 65506 |
| UTF-8 bytes | EF BF A2 |
| UTF-16 (big-endian) | FFE2 |
| UTF-32 | 0000FFE2 |
| HTML decimal | ¬ |
| HTML hex | ¬ |
| CSS | \FFE2 |
| JavaScript | \uFFE2 |
| JSON | \uFFE2 |
| Python | \uFFE2 |
| Python by name | \N{FULLWIDTH NOT SIGN} |
| Java, C# | \uFFE2 |
| Rust, Swift | \u{FFE2} |
| Go, C, C++ | \uFFE2 |
| URL (percent-encoded) | %EF%BF%A2 |
JavaScript and JSON strings store text as UTF-16, so this character is one code unit long. Python 3 strings count code points, so its length there is 1.
Properties
| Property | Value |
|---|---|
| Name | FULLWIDTH NOT SIGN |
| Code point | U+FFE2 (decimal 65506) |
| Block | Halfwidth and Fullwidth Forms (U+FF00–U+FFEF) |
| General category | Sm: Math symbol |
| Script | Common |
| Bidirectional class | ON: Other neutral |
| Mirrored in right-to-left text | No |
| First in Unicode version | 1.1 |
Decomposition
FULLWIDTH NOT SIGN has a compatibility decomposition (wide) to the sequence below. NFKC and NFKD normalisation replace it with that sequence, which can change how text looks, so use them for search, not for storage.
Nearby in Halfwidth and Fullwidth Forms
- ᅰ U+FFD5 Halfwidth Hangul Letter We
- ᅱ U+FFD6 Halfwidth Hangul Letter Wi
- ᅲ U+FFD7 Halfwidth Hangul Letter Yu
- ᅳ U+FFDA Halfwidth Hangul Letter Eu
- ᅴ U+FFDB Halfwidth Hangul Letter Yi
- ᅵ U+FFDC Halfwidth Hangul Letter I
- ¢ U+FFE0 Fullwidth Cent Sign
- £ U+FFE1 Fullwidth Pound Sign
-  ̄ U+FFE3 Fullwidth Macron
- ¦ U+FFE4 Fullwidth Broken Bar
- ¥ U+FFE5 Fullwidth Yen Sign
- ₩ U+FFE6 Fullwidth Won Sign
- │ U+FFE8 Halfwidth Forms Light Vertical
- ← U+FFE9 Halfwidth Leftwards Arrow
- ↑ U+FFEA Halfwidth Upwards Arrow
- → U+FFEB Halfwidth Rightwards Arrow
All 225 characters: Halfwidth and Fullwidth Forms.
Official reference
Questions people ask
- What is the HTML code for ¬?
- Use ¬ (decimal) or ¬ (hex).
- What is the UTF-8 encoding of U+FFE2?
- EF BF A2 (hex), 3 bytes. In a URL it is %EF%BF%A2.
- How do I write U+FFE2 in JavaScript or Python?
- JavaScript: \uFFE2. Python: \uFFE2.
Source
Unicode Character Database 18.0.0 (Unicode License v3); HTML entity names from the WHATWG HTML Standard (CC BY 4.0). The encodings above are computed from the code point and checked against Python's encoders. How the character looks depends on your fonts.
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