This character is a Math Symbol and is commonly used, that is, in no specific script.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it acts as Other Neutral. When changing direction it is mirrored into Element of with Overbar. The word that U+22FD forms with similar adjacent characters prevents a line break inside it.
Representations
System
Representation (click value to copy)
Nº
8957
UTF-8
E2 8B BD
UTF-16
22 FD
UTF-32
00 00 22 FD
URL-Quoted
%E2%8B%BD
HTML hex reference
⋽
Wrong windows-1252 Mojibake
⋽
HTML named entity
⋽
Encoding: GB18030 (hex bytes)
81 36 E7 32
RFC 5137
\u'22FD'
Bash and Zsh inside echo -e
\u22FD
C and C++
\u22FD
C#
\u22FD
CSS
\0022FD
Excel
=UNICHAR(8957)
Go
\u22FD
JavaScript
\u22FD
Modern JavaScript since ES6
\u{22fd}
JSON
\u22FD
Java
\u22FD
Lua
\u{22FD}
Matlab
char(8957)
Perl
"\x{22FD}"
PHP
\u{22fd}
PostgreSQL
U&'\22FD'
PowerShell
`u{22FD}
Python
\u22FD
Ruby
\u{22fd}
Rust
\u{22fd}
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