This character is a Other Punctuation 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+2041 forms with similar adjacent characters prevents a line break inside it. The glyph can be confused with one other glyph.
The Wikipedia has the following information about this codepoint:
Caret is the name used familiarly for the character ^ provided on most QWERTY keyboards by typing ⇧ Shift+6. The symbol has a variety of uses in programming and mathematics. The name "caret" arose from its visual similarity to the original proofreader's caret, ‸, a mark used in proofreading to indicate where a punctuation mark, word, or phrase should be inserted into a document. The ASCII standard (X3.64.1977) calls it a "circumflex"; the Unicode standard calls it a "circumflex accent", although it is no longer practicable for that purpose.
Representations
System
Representation (click value to copy)
Nº
8257
UTF-8
E2 81 81
UTF-16
20 41
UTF-32
00 00 20 41
URL-Quoted
%E2%81%81
HTML hex reference
⁁
Wrong windows-1252 Mojibake
â
HTML named entity
⁁
Encoding: GB18030 (hex bytes)
81 36 A8 35
RFC 5137
\u'2041'
Bash and Zsh inside echo -e
\u2041
C and C++
\u2041
C#
\u2041
CSS
\002041
Excel
=UNICHAR(8257)
Go
\u2041
JavaScript
\u2041
Modern JavaScript since ES6
\u{2041}
JSON
\u2041
Java
\u2041
Lua
\u{2041}
Matlab
char(8257)
Perl
"\x{2041}"
PHP
\u{2041}
PostgreSQL
U&'\2041'
PowerShell
`u{2041}
Python
\u2041
Ruby
\u{2041}
Rust
\u{2041}
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