This character is a Otro símbolo and is commonly used, that is, in no specific script.
The glyph is not a composition. Its East Asian Width is wide. In bidirectional text it acts as Other Neutral. When changing direction it is not mirrored. U+1F7E5 offers a line break opportunity at its position, except in some numeric contexts.
The CLDR project calls this character “cuadrado rojo” for use in screen reading software. It assigns these additional labels, e.g. for search in emoji pickers: cuadrado, rojo.
This character is designated as an emoji. It will be rendered as colorful emoji on conforming platforms. To reduce it to a monochrome character, you can combine it with Variation Selector-15: 🟥︎ See the Emojipedia for more details on this character’s emoji properties.
El Wikipedia tiene la siguiente información acerca de este punto de código:
In Euclidean geometry, a square is a regular quadrilateral, which means that it has four straight sides of equal length and four equal angles (90-degree angles, π/2 radian angles, or right angles). It can also be defined as a rectangle with two equal-length adjacent sides. It is the only regular polygon whose internal angle, central angle, and external angle are all equal (90°), and whose diagonals are all equal in length. A square with vertices ABCD would be denoted ABCD.
Representaciones
Sistema
Representación (click value to copy)
N.º
128997
UTF-8
F0 9F 9F A5
UTF-16
D8 3D DF E5
UTF-32
00 01 F7 E5
URL-Quoted
%F0%9F%9F%A5
HTML hex reference
🟥
Mojibake mal de windows-1252
🟥
Codificación: GB18030 (hexadecimales bytes)
95 30 AF 31
RFC 5137
\u'1F7E5'
Bash and Zsh inside echo -e
\U0001F7E5
C and C++
\U0001F7E5
C#
\U0001F7E5
CSS
\01F7E5
Excel
=UNICHAR(128997)
Go
\U0001F7E5
JavaScript
\uD83D\uDFE5
Modern JavaScript since ES6
\u{1f7e5}
JSON
\uD83D\uDFE5
Java
\uD83D\uDFE5
Lua
\u{1F7E5}
Matlab
char(128997)
Perl
"\x{1F7E5}"
PHP
\u{1f7e5}
PostgreSQL
U&'\+01F7E5'
PowerShell
`u{1F7E5}
Python
\U0001F7E5
Ruby
\u{1f7e5}
Rust
\u{1f7e5}
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