This character is a Currency Symbol and is commonly used, that is, in no specific script.
The glyph is a wide version of the glyph Glyph for U+20A9Won Sign. Accordingly, its width in East Asian Text is fullwidth. In bidirectional text it is written as end of a European number, e.g., a currency symbol, from left to right. When changing direction it is not mirrored. U+FFE6 prohibits a line break after it, if it is followed by a number.
The Wikipedia has the following information about this codepoint:
The won sign⟨₩⟩, is a currency symbol. It represents the South Korean won, the North Korean won and, unofficially, the old Korean won.
Representations
System
Representation (click value to copy)
Nº
65510
UTF-8
EF BF A6
UTF-16
FF E6
UTF-32
00 00 FF E6
URL-Quoted
%EF%BF%A6
HTML hex reference
₩
Wrong windows-1252 Mojibake
₩
Encoding: CP949 (hex bytes)
A3 DC
Encoding: EUC_KR (hex bytes)
A3 DC
Encoding: GB18030 (hex bytes)
84 31 A2 34
Encoding: ISO2022_JP_2 (hex bytes)
1B 24 28 43 23 5C 1B 28 42
Encoding: ISO2022_KR (hex bytes)
1B 24 29 43 0E 23 5C 0F
Encoding: JOHAB (hex bytes)
DA 6C
Adobe Glyph List
wonmonospace
RFC 5137
\u'FFE6'
Bash and Zsh inside echo -e
\uFFE6
C and C++
\uFFE6
C#
\uFFE6
CSS
\00FFE6
Excel
=UNICHAR(65510)
Go
\uFFE6
JavaScript
\uFFE6
Modern JavaScript since ES6
\u{ffe6}
JSON
\uFFE6
Java
\uFFE6
Lua
\u{FFE6}
Matlab
char(65510)
Perl
"\x{FFE6}"
PHP
\u{ffe6}
PostgreSQL
U&'\FFE6'
PowerShell
`u{FFE6}
Python
\uFFE6
Ruby
\u{ffe6}
Rust
\u{ffe6}
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