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 not mirrored. The word that U+22D2 forms with similar adjacent characters prevents a line break inside it.
The CLDR project calls this character “double intersection” for use in screen reading software. It assigns these additional labels, e.g. for search in emoji pickers: double, intersection, mathematics, operator, set.
Representations
System
Representation (click value to copy)
Nº
8914
UTF-8
E2 8B 92
UTF-16
22 D2
UTF-32
00 00 22 D2
URL-Quoted
%E2%8B%92
HTML hex reference
⋒
Wrong windows-1252 Mojibake
â‹’
HTML named entity
⋒
Encoding: GB18030 (hex bytes)
81 36 E2 39
LATEX
\Cap
RFC 5137
\u'22D2'
Bash and Zsh inside echo -e
\u22D2
C and C++
\u22D2
C#
\u22D2
CSS
\0022D2
Excel
=UNICHAR(8914)
Go
\u22D2
JavaScript
\u22D2
Modern JavaScript since ES6
\u{22d2}
JSON
\u22D2
Java
\u22D2
Lua
\u{22D2}
Matlab
char(8914)
Perl
"\x{22D2}"
PHP
\u{22d2}
PostgreSQL
U&'\22D2'
PowerShell
`u{22D2}
Python
\u22D2
Ruby
\u{22d2}
Rust
\u{22d2}
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