ї is the Unicode character CYRILLIC SMALL LETTER YI, code point U+0457 (decimal 1111) in the Cyrillic block, added in Unicode 1.1. In HTML write ї, and in UTF-8 it is the 2 bytes D1 97.
Codes
| Where | How to write it |
|---|---|
| Code point | U+0457 |
| Decimal | 1111 |
| UTF-8 bytes | D1 97 |
| UTF-16 (big-endian) | 0457 |
| UTF-32 | 00000457 |
| HTML decimal | ї |
| HTML hex | ї |
| HTML named | ї |
| CSS | \457 |
| JavaScript | \u0457 |
| JSON | \u0457 |
| Python | \u0457 |
| Python by name | \N{CYRILLIC SMALL LETTER YI} |
| Java, C# | \u0457 |
| Rust, Swift | \u{457} |
| Go, C, C++ | \u0457 |
| URL (percent-encoded) | %D1%97 |
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 | CYRILLIC SMALL LETTER YI |
| Code point | U+0457 (decimal 1111) |
| Block | Cyrillic (U+0400–U+04FF) |
| General category | Ll: Lowercase letter |
| Script | Cyrillic |
| Bidirectional class | L: Left-to-right |
| Mirrored in right-to-left text | No |
| First in Unicode version | 1.1 |
Decomposition
CYRILLIC SMALL LETTER YI is canonically equivalent to the sequence below. Normalising text to NFD splits it into these parts; NFC joins them back into U+0457. Search and comparison should normalise first, or the two spellings will not match.
Upper and lower case
- Ї U+0407 Cyrillic Capital Letter Yi — Uppercase
Nearby in Cyrillic
- я U+044F Cyrillic Small Letter Ya
- ѐ U+0450 Cyrillic Small Letter Ie With Grave
- ё U+0451 Cyrillic Small Letter Io
- ђ U+0452 Cyrillic Small Letter Dje
- ѓ U+0453 Cyrillic Small Letter Gje
- є U+0454 Cyrillic Small Letter Ukrainian Ie
- ѕ U+0455 Cyrillic Small Letter Dze
- і U+0456 Cyrillic Small Letter Byelorussian-Ukrainian I
- ј U+0458 Cyrillic Small Letter Je
- љ U+0459 Cyrillic Small Letter Lje
- њ U+045A Cyrillic Small Letter Nje
- ћ U+045B Cyrillic Small Letter Tshe
- ќ U+045C Cyrillic Small Letter Kje
- ѝ U+045D Cyrillic Small Letter I With Grave
- ў U+045E Cyrillic Small Letter Short U
- џ U+045F Cyrillic Small Letter Dzhe
All 256 characters: Cyrillic.
Official reference
Questions people ask
- What is the HTML code for ї?
- Use the named entity ї, or ї (decimal) or ї (hex).
- What is the UTF-8 encoding of U+0457?
- D1 97 (hex), 2 bytes. In a URL it is %D1%97.
- How do I write U+0457 in JavaScript or Python?
- JavaScript: \u0457. Python: \u0457.
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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