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 Pound 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+FFE1 prohibits a line break after it, if it is followed by a number.
The Wikipedia has the following information about this codepoint:
The pound sign (£) is the symbol for the pound unit of sterling – the currency of the United Kingdom and its associated Crown Dependencies and British Overseas Territories and previously of Great Britain and of the Kingdom of England. The same symbol is used for other currencies called pound, such as the Egyptian and Syrian pounds. The sign may be drawn with one or two bars depending on personal preference, but the Bank of England has used the one-bar style exclusively on banknotes since 1975.
In the United States, "pound sign" refers to the symbol # (number sign). In Canada ”pound sign” can mean £ or #.
Representations
System
Representation (click value to copy)
Nº
65505
UTF-8
EF BF A1
UTF-16
FF E1
UTF-32
00 00 FF E1
URL-Quoted
%EF%BF%A1
HTML hex reference
￡
Wrong windows-1252 Mojibake
ï¿¡
Encoding: CP932 (hex bytes)
81 92
Encoding: CP949 (hex bytes)
A1 CC
Encoding: CP950 (hex bytes)
A2 47
Encoding: EUC_KR (hex bytes)
A1 CC
Encoding: GB2312 (hex bytes)
A1 EA
Encoding: GBK (hex bytes)
A1 EA
Encoding: GB18030 (hex bytes)
A1 EA
Encoding: HZ (hex bytes)
7E 7B 21 6A 7E 7D
Encoding: ISO2022_JP_2 (hex bytes)
1B 24 28 43 21 4C 1B 28 42
Encoding: ISO2022_KR (hex bytes)
1B 24 29 43 0E 21 4C 0F
Encoding: JOHAB (hex bytes)
D9 5C
Adobe Glyph List
sterlingmonospace
RFC 5137
\u'FFE1'
Bash and Zsh inside echo -e
\uFFE1
C and C++
\uFFE1
C#
\uFFE1
CSS
\00FFE1
Excel
=UNICHAR(65505)
Go
\uFFE1
JavaScript
\uFFE1
Modern JavaScript since ES6
\u{ffe1}
JSON
\uFFE1
Java
\uFFE1
Lua
\u{FFE1}
Matlab
char(65505)
Perl
"\x{FFE1}"
PHP
\u{ffe1}
PostgreSQL
U&'\FFE1'
PowerShell
`u{FFE1}
Python
\uFFE1
Ruby
\u{ffe1}
Rust
\u{ffe1}
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