This character is a Format 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 Boundary Neutral. When changing direction it is not mirrored. U+E005A prohibits a line break before it.
The Wikipedia has the following information about this codepoint:
Tags is a Unicode block containing formatting tag characters. The block is designed to mirror ASCII. It was originally intended for language tags, but has now been repurposed as emoji modifiers, specifically for region flags.
Representations
System
Representation (click value to copy)
Nº
917594
UTF-8
F3 A0 81 9A
UTF-16
DB 40 DC 5A
UTF-32
00 0E 00 5A
URL-Quoted
%F3%A0%81%9A
HTML hex reference
󠁚
Wrong windows-1252 Mojibake
ó š
Encoding: GB18030 (hex bytes)
D3 36 9E 38
RFC 5137
\u'E005A'
Bash and Zsh inside echo -e
\U000E005A
C and C++
\U000E005A
C#
\U000E005A
CSS
\0E005A
Excel
=UNICHAR(917594)
Go
\U000E005A
JavaScript
\uDB40\uDC5A
Modern JavaScript since ES6
\u{e005a}
JSON
\uDB40\uDC5A
Java
\uDB40\uDC5A
Lua
\u{E005A}
Matlab
char(917594)
Perl
"\x{E005A}"
PHP
\u{e005a}
PostgreSQL
U&'\+0E005A'
PowerShell
`u{E005A}
Python
\U000E005A
Ruby
\u{e005a}
Rust
\u{e005a}
Click the star button next to each label to set this representation as favorite or remove it from the favorites. Favorites will be shown initially. (Favorites are stored locally on your computer and never sent over the internet.)