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The Unicode character U+542F, officially named CJK UNIFIED IDEOGRAPH-#, was introduced in Unicode version 1.1. It is part of the CJK block, which belongs to the Basic Multilingual plane.
Categorized technically as a Other Letter, this character typically falls under the Han script. In terms of text layout and rendering, the glyph is not a composition and has wide in East Asian typography. When placed in bidirectional text, it behaves as an Left-To-Right character. Its visual representation remains not mirrored regardless of the reading direction.
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| Nº |
21551
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|---|---|
| UTF-8 |
E5 90 AF
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| UTF-16 |
54 2F
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| UTF-32 |
00 00 54 2F
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| URL-Quoted |
%E5%90%AF
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| HTML hex reference |
启
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| RFC 5137 |
\u'542F'
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| Bash and Zsh (inside echo -e) |
\u542F
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| C and C++ |
\u542f
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| C# |
\u542f
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| CSS |
\00542F
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| Excel |
=UNICHAR(21551)
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| Go |
\u542f
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| JavaScript |
\u542F
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| Modern JavaScript (since ES6) |
\u{542f}
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| JSON |
\u542F
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| Java |
\u542F
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| Lua |
\u{542F}
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| Matlab |
char(21551)
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| Perl |
\x{542F}
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| PHP |
\u{542f}
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| PostgreSQL |
U&'\542F'
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| PowerShell |
`u{542F}
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| Python |
\u542f
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| Ruby |
\u{542f}
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| Rust |
\u{542f}
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