® is the Unicode emoji REGISTERED SIGN (“registered”), code point U+00AE (decimal 174) in the Latin-1 Supplement block, added in Unicode 1.1. In HTML write ®, and in UTF-8 it is the 2 bytes C2 AE.
Codes
| Where | How to write it |
|---|---|
| Code point | U+00AE |
| Decimal | 174 |
| UTF-8 bytes | C2 AE |
| UTF-16 (big-endian) | 00AE |
| UTF-32 | 000000AE |
| HTML decimal | ® |
| HTML hex | ® |
| HTML named | ® ® ® |
| CSS | \AE |
| JavaScript | \u00AE |
| JSON | \u00AE |
| Python | \u00AE |
| Python by name | \N{REGISTERED SIGN} |
| Java, C# | \u00AE |
| Rust, Swift | \u{AE} |
| Go, C, C++ | \u00AE |
| URL (percent-encoded) | %C2%AE |
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 | REGISTERED SIGN |
| Emoji name | registered |
| Code point | U+00AE (decimal 174) |
| Block | Latin-1 Supplement (U+0080–U+00FF) |
| General category | So: Other symbol |
| 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+00A6 Broken Bar
- § U+00A7 Section Sign
- ¨ U+00A8 Diaeresis
- © U+00A9 Copyright
- ª U+00AA Feminine Ordinal Indicator
- « U+00AB Left-Pointing Double Angle Quotation Mark
- ¬ U+00AC Not Sign
- U+00AD Soft Hyphen
- ¯ U+00AF Macron
- ° U+00B0 Degree Sign
- ± U+00B1 Plus-Minus Sign
- ² U+00B2 Superscript Two
- ³ U+00B3 Superscript Three
- ´ U+00B4 Acute Accent
- µ U+00B5 Micro Sign
- ¶ U+00B6 Pilcrow Sign
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+00AE?
- C2 AE (hex), 2 bytes. In a URL it is %C2%AE.
- How do I write U+00AE in JavaScript or Python?
- JavaScript: \u00AE. Python: \u00AE.
Source
Unicode Character Database 18.0.0 (Unicode License v3) and the Unicode emoji test data; 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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