ル is the Unicode character HALFWIDTH KATAKANA LETTER RU, code point U+FF99 (decimal 65433) in the Halfwidth and Fullwidth Forms block, added in Unicode 1.1. In HTML write ル, and in UTF-8 it is the 3 bytes EF BE 99.
Codes
| Where | How to write it |
|---|---|
| Code point | U+FF99 |
| Decimal | 65433 |
| UTF-8 bytes | EF BE 99 |
| UTF-16 (big-endian) | FF99 |
| UTF-32 | 0000FF99 |
| HTML decimal | ル |
| HTML hex | ル |
| CSS | \FF99 |
| JavaScript | \uFF99 |
| JSON | \uFF99 |
| Python | \uFF99 |
| Python by name | \N{HALFWIDTH KATAKANA LETTER RU} |
| Java, C# | \uFF99 |
| Rust, Swift | \u{FF99} |
| Go, C, C++ | \uFF99 |
| URL (percent-encoded) | %EF%BE%99 |
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 | HALFWIDTH KATAKANA LETTER RU |
| Code point | U+FF99 (decimal 65433) |
| Block | Halfwidth and Fullwidth Forms (U+FF00–U+FFEF) |
| General category | Lo: Other letter |
| Script | Katakana |
| Bidirectional class | L: Left-to-right |
| Mirrored in right-to-left text | No |
| First in Unicode version | 1.1 |
Decomposition
HALFWIDTH KATAKANA LETTER RU has a compatibility decomposition (narrow) to the sequence below. NFKC and NFKD normalisation replace it with that sequence, which can change how text looks, so use them for search, not for storage.
Nearby in Halfwidth and Fullwidth Forms
- ム U+FF91 Halfwidth Katakana Letter Mu
- メ U+FF92 Halfwidth Katakana Letter Me
- モ U+FF93 Halfwidth Katakana Letter Mo
- ヤ U+FF94 Halfwidth Katakana Letter Ya
- ユ U+FF95 Halfwidth Katakana Letter Yu
- ヨ U+FF96 Halfwidth Katakana Letter Yo
- ラ U+FF97 Halfwidth Katakana Letter Ra
- リ U+FF98 Halfwidth Katakana Letter Ri
- レ U+FF9A Halfwidth Katakana Letter Re
- ロ U+FF9B Halfwidth Katakana Letter Ro
- ワ U+FF9C Halfwidth Katakana Letter Wa
- ン U+FF9D Halfwidth Katakana Letter N
- ゙ U+FF9E Halfwidth Katakana Voiced Sound Mark
- ゚ U+FF9F Halfwidth Katakana Semi-Voiced Sound Mark
- ᅠ U+FFA0 Halfwidth Hangul Filler
- ᄀ U+FFA1 Halfwidth Hangul Letter Kiyeok
All 225 characters: Halfwidth and Fullwidth Forms.
Official reference
Questions people ask
- What is the HTML code for ル?
- Use ル (decimal) or ル (hex).
- What is the UTF-8 encoding of U+FF99?
- EF BE 99 (hex), 3 bytes. In a URL it is %EF%BE%99.
- How do I write U+FF99 in JavaScript or Python?
- JavaScript: \uFF99. Python: \uFF99.
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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