This character is a Other 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+23D0 forms with similar adjacent characters prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
The vertical bar, |, is a glyph with various uses in mathematics, computing, and typography. It has many names, often related to particular meanings: Sheffer stroke (in logic), pipe, bar, or (literally, the word "or"), vbar, and others.
Representations
System
Representation (click value to copy)
Nº
9168
UTF-8
E2 8F 90
UTF-16
23 D0
UTF-32
00 00 23 D0
URL-Quoted
%E2%8F%90
HTML hex reference
⏐
Wrong windows-1252 Mojibake
â
Encoding: GB18030 (hex bytes)
81 36 FC 32
RFC 5137
\u'23D0'
Bash and Zsh inside echo -e
\u23D0
C and C++
\u23D0
C#
\u23D0
CSS
\0023D0
Excel
=UNICHAR(9168)
Go
\u23D0
JavaScript
\u23D0
Modern JavaScript since ES6
\u{23d0}
JSON
\u23D0
Java
\u23D0
Lua
\u{23D0}
Matlab
char(9168)
Perl
"\x{23D0}"
PHP
\u{23d0}
PostgreSQL
U&'\23D0'
PowerShell
`u{23D0}
Python
\u23D0
Ruby
\u{23d0}
Rust
\u{23d0}
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