Unicode Character "Й" U+0419 Cyrillic Capital Letter Short I
Unicode Version 15.1
Й
Summary
The unicode character "Й" at code point U+0419 is Cyrillic Capital Letter Short I. It is a character in the Cyrillic block and is part of the Cyrillic script. The character is an uppercase letter. The UTF-8 encoding of "Й" is 0xD0 0x99 and the UTF-16 encoding is 0x0419.
General Properties
| Code Point | U+0419 |
| Version Added | 1.1 |
| Name | Cyrillic Capital Letter Short I |
| Unicode 1.0 Name | Cyrillic Capital Letter Short Ii |
| Block | Cyrillic |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Canonical |
| Decomposition Mapping | "И" U+0418 Cyrillic Capital Letter I "̆" U+0306 Combining Breve |
Encodings
| HTML Entity | Й |
| HTML Decimal Encoding | Й |
| HTML Hex Encoding | Й |
| UTF-8 Encoding | 0xD0 0x99 |
| UTF-16 Encoding | 0x0419 |
| UTF-32 Encoding | 0x00000419 |
| C/C++/Java Escape | \u0419 |
Unicode Properties
| NFC Quick Check | Yes |
| NFKC Quick Check | Yes |
| Expands On NFD | Yes |
| Expands On NKFD | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| East Asian Width | Ambiguous |
| Uppercase | Yes |
| Simple Lowercase Code Point | "й" U+0439 Cyrillic Small Letter Short I |
| Lowercase Code Point | "й" U+0439 Cyrillic Small Letter Short I |
| Simple Case Folding | "й" U+0439 Cyrillic Small Letter Short I |
| Case Folding | "й" U+0439 Cyrillic Small Letter Short I |
| Cased | Yes |
| Changes When Casefolded | Yes |
| Changes When Casemapped | Yes |
| Changes When Lowercased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "й" U+0439 Cyrillic Small Letter Short I |
| NFKC Simple Casefold | "й" U+0439 Cyrillic Small Letter Short I |
| Script | Cyrillic |
| Script Extensions | Cyrillic |
| Indic Syllabic Category | Other |
| ID Start | Yes |
| XID Start | Yes |
| ID Continue | Yes |
| XID Continue | Yes |
| Alphabetic | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Alphabetic letter |
| Sentence Break | Upper |