This character is a Math Symbol and is commonly used, that is, in no specific script. The character is also known as such that.
The glyph is not a composition. Its width in East Asian texts is determined by its context. It can be displayed wide or narrow. In bidirectional text it acts as Other Neutral. When changing direction it is mirrored into Element Of. If its East Asian Width is “narrow”, U+220B forms a word with similar characters, which prevents a line break inside it. Otherwise it allows line breaks around it, except in some numeric contexts.
The CLDR project calls this character “contains as member” for use in screen reading software. It assigns these additional labels, e.g. for search in emoji pickers: as, contains, element, member.
The Wikipedia has the following information about this codepoint:
In mathematics, an element (or member) of a set is any one of the distinct objects that belong to that set. For example, given a set called A containing the first four positive integers (), one could say that "3 is an element of A", expressed notationally as .
Representations
System
Representation (click value to copy)
Nº
8715
UTF-8
E2 88 8B
UTF-16
22 0B
UTF-32
00 00 22 0B
URL-Quoted
%E2%88%8B
HTML hex reference
∋
Wrong windows-1252 Mojibake
∋
HTML named entity
∋
HTML named entity
∋
HTML named entity
∋
HTML named entity
∋
alias
such that
Encoding: CP932 (hex bytes)
81 B9
Encoding: CP949 (hex bytes)
A1 F5
Encoding: EUC_JP (hex bytes)
A2 BB
Encoding: EUC_JIS_2004 (hex bytes)
A2 BB
Encoding: EUC_JISX0213 (hex bytes)
A2 BB
Encoding: EUC_KR (hex bytes)
A1 F5
Encoding: GB18030 (hex bytes)
81 36 D2 36
Encoding: ISO2022_JP (hex bytes)
1B 24 42 22 3B 1B 28 42
Encoding: ISO2022_JP_1 (hex bytes)
1B 24 42 22 3B 1B 28 42
Encoding: ISO2022_JP_2 (hex bytes)
1B 24 42 22 3B 1B 28 42
Encoding: ISO2022_JP_2004 (hex bytes)
1B 24 42 22 3B 1B 28 42
Encoding: ISO2022_JP_3 (hex bytes)
1B 24 42 22 3B 1B 28 42
Encoding: ISO2022_JP_EXT (hex bytes)
1B 24 42 22 3B 1B 28 42
Encoding: ISO2022_KR (hex bytes)
1B 24 29 43 0E 21 75 0F
Encoding: JOHAB (hex bytes)
D9 97
Encoding: SHIFT_JIS (hex bytes)
81 B9
Encoding: SHIFT_JIS_2004 (hex bytes)
81 B9
Encoding: SHIFT_JISX0213 (hex bytes)
81 B9
LATEX
\ni
Adobe Glyph List
suchthat
digraph
-)
RFC 5137
\u'220B'
Bash and Zsh inside echo -e
\u220B
C and C++
\u220B
C#
\u220B
CSS
\00220B
Excel
=UNICHAR(8715)
Go
\u220B
JavaScript
\u220B
Modern JavaScript since ES6
\u{220b}
JSON
\u220B
Java
\u220B
Lua
\u{220B}
Matlab
char(8715)
Perl
"\x{220B}"
PHP
\u{220b}
PostgreSQL
U&'\220B'
PowerShell
`u{220B}
Python
\u220B
Ruby
\u{220b}
Rust
\u{220b}
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