This is the Unicode character Private Use One, code point U+0091 (decimal 145) in the Latin-1 Supplement block, added in Unicode 1.1. In HTML write ‘, and in UTF-8 it is the 2 bytes C2 91.
Codes
| Where | How to write it |
|---|---|
| Code point | U+0091 |
| Decimal | 145 |
| UTF-8 bytes | C2 91 |
| UTF-16 (big-endian) | 0091 |
| UTF-32 | 00000091 |
| HTML | not valid in HTML (a numeric reference to it is a parse error) |
| CSS | \91 |
| JavaScript | \u0091 |
| JSON | \u0091 |
| Python | \u0091 |
| Java, C# | \u0091 |
| Rust, Swift | \u{91} |
| Go, C, C++ | \u0091 |
| URL (percent-encoded) | %C2%91 |
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 | Private Use One |
| Code point | U+0091 (decimal 145) |
| Block | Latin-1 Supplement (U+0080–U+00FF) |
| General category | Cc: Control character |
| Script | Common |
| Bidirectional class | BN: Boundary neutral |
| Mirrored in right-to-left text | No |
| First in Unicode version | 1.1 |
Nearby in Latin-1 Supplement
- U+0089 Character Tabulation With Justification
- U+008A Line Tabulation Set
- U+008B Partial Line Forward
- U+008C Partial Line Backward
- U+008D Reverse Line Feed
- U+008E Single Shift Two
- U+008F Single Shift Three
- U+0090 Device Control String
- U+0092 Private Use Two
- U+0093 Set Transmit State
- U+0094 Cancel Character
- U+0095 Message Waiting
- U+0096 Start Of Guarded Area
- U+0097 End Of Guarded Area
- U+0098 Start Of String
- U+0099 Single Graphic Character Introducer
All 128 characters: Latin-1 Supplement.
Official reference
Questions people ask
- What is the HTML code for Private Use One?
- Use ‘ (decimal) or ‘ (hex).
- What is the UTF-8 encoding of U+0091?
- C2 91 (hex), 2 bytes. In a URL it is %C2%91.
- How do I write U+0091 in JavaScript or Python?
- JavaScript: \u0091. Python: \u0091.
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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