This character is a Other Letter and is mainly used in the Hiragana script.
The glyph is not a composition. Its East Asian Width is wide. In bidirectional text it is written from left to right. When changing direction it is not mirrored. U+3048 offers a line break opportunity at its position, except in some numeric contexts.
The Wikipedia has the following information about this codepoint:
In Japanese writing, the kana え (hiragana) and エ (katakana) (romanised e) occupy the fourth place, between う and お, in the modern Gojūon (五十音) system of collating kana. In the Iroha, they occupy the 34th, between こ and て. In the table at right (ordered by columns, from right to left), え lies in the first column (あ行, "column A") and the fourth row (え段, "row E"). Both represent [e].
Representations
System
Representation (click value to copy)
Nº
12360
UTF-8
E3 81 88
UTF-16
30 48
UTF-32
00 00 30 48
URL-Quoted
%E3%81%88
HTML hex reference
え
Wrong windows-1252 Mojibake
ãˆ
Encoding: BIG5 (hex bytes)
C6 AC
Encoding: BIG5HKSCS (hex bytes)
C6 EE
Encoding: CP932 (hex bytes)
82 A6
Encoding: CP949 (hex bytes)
AA A8
Encoding: CP950 (hex bytes)
C6 AC
Encoding: EUC_JP (hex bytes)
A4 A8
Encoding: EUC_JIS_2004 (hex bytes)
A4 A8
Encoding: EUC_JISX0213 (hex bytes)
A4 A8
Encoding: EUC_KR (hex bytes)
AA A8
Encoding: GB2312 (hex bytes)
A4 A8
Encoding: GBK (hex bytes)
A4 A8
Encoding: GB18030 (hex bytes)
A4 A8
Encoding: HZ (hex bytes)
7E 7B 24 28 7E 7D
Encoding: ISO2022_JP (hex bytes)
1B 24 42 24 28 1B 28 42
Encoding: ISO2022_JP_1 (hex bytes)
1B 24 42 24 28 1B 28 42
Encoding: ISO2022_JP_2 (hex bytes)
1B 24 42 24 28 1B 28 42
Encoding: ISO2022_JP_2004 (hex bytes)
1B 24 42 24 28 1B 28 42
Encoding: ISO2022_JP_3 (hex bytes)
1B 24 42 24 28 1B 28 42
Encoding: ISO2022_JP_EXT (hex bytes)
1B 24 42 24 28 1B 28 42
Encoding: ISO2022_KR (hex bytes)
1B 24 29 43 0E 2A 28 0F
Encoding: JOHAB (hex bytes)
DD A8
Encoding: SHIFT_JIS (hex bytes)
82 A6
Encoding: SHIFT_JIS_2004 (hex bytes)
82 A6
Encoding: SHIFT_JISX0213 (hex bytes)
82 A6
Adobe Glyph List
ehiragana
digraph
e5
RFC 5137
\u'3048'
Bash and Zsh inside echo -e
\u3048
C and C++
\u3048
C#
\u3048
CSS
\003048
Excel
=UNICHAR(12360)
Go
\u3048
JavaScript
\u3048
Modern JavaScript since ES6
\u{3048}
JSON
\u3048
Java
\u3048
Lua
\u{3048}
Matlab
char(12360)
Perl
"\x{3048}"
PHP
\u{3048}
PostgreSQL
U&'\3048'
PowerShell
`u{3048}
Python
\u3048
Ruby
\u{3048}
Rust
\u{3048}
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