¡ is the Unicode character INVERTED EXCLAMATION MARK, code point U+00A1 (decimal 161) in the Latin-1 Supplement block, added in Unicode 1.1. In HTML write ¡, and in UTF-8 it is the 2 bytes C2 A1.
Codes
| Where | How to write it |
|---|---|
| Code point | U+00A1 |
| Decimal | 161 |
| UTF-8 bytes | C2 A1 |
| UTF-16 (big-endian) | 00A1 |
| UTF-32 | 000000A1 |
| HTML decimal | ¡ |
| HTML hex | ¡ |
| HTML named | ¡ |
| CSS | \A1 |
| JavaScript | \u00A1 |
| JSON | \u00A1 |
| Python | \u00A1 |
| Python by name | \N{INVERTED EXCLAMATION MARK} |
| Java, C# | \u00A1 |
| Rust, Swift | \u{A1} |
| Go, C, C++ | \u00A1 |
| URL (percent-encoded) | %C2%A1 |
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 | INVERTED EXCLAMATION MARK |
| Code point | U+00A1 (decimal 161) |
| Block | Latin-1 Supplement (U+0080–U+00FF) |
| General category | Po: Other punctuation |
| Script | Common |
| Bidirectional class | ON: Other neutral |
| Mirrored in right-to-left text | No |
| First in Unicode version | 1.1 |
Nearby in Latin-1 Supplement
- U+0099 Single Graphic Character Introducer
- U+009A Single Character Introducer
- U+009B Control Sequence Introducer
- U+009C String Terminator
- U+009D Operating System Command
- U+009E Privacy Message
- U+009F Application Program Command
- U+00A0 No-Break Space
- ¢ U+00A2 Cent Sign
- £ U+00A3 Pound Sign
- ¤ U+00A4 Currency Sign
- ¥ U+00A5 Yen Sign
- ¦ U+00A6 Broken Bar
- § U+00A7 Section Sign
- ¨ U+00A8 Diaeresis
- © U+00A9 Copyright
All 128 characters: Latin-1 Supplement.
Official reference
Questions people ask
- What is the HTML code for ¡?
- Use the named entity ¡, or ¡ (decimal) or ¡ (hex).
- What is the UTF-8 encoding of U+00A1?
- C2 A1 (hex), 2 bytes. In a URL it is %C2%A1.
- How do I write U+00A1 in JavaScript or Python?
- JavaScript: \u00A1. Python: \u00A1.
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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