This character is a Other Letter and is mainly used in the Hangul script.
The glyph is a compatibility version of the glyph Hangul Jungseong Oe. Its East Asian Width is wide. In bidirectional text it is written from left to right. When changing direction it is not mirrored. U+315A offers a line break opportunity at its position, except in some numeric contexts. The glyph can be confused with one other glyph.
The Wikipedia has the following information about this codepoint:
ㅚ (oe) is one of the Korean hangul.
Representations
System
Representation (click value to copy)
Nº
12634
UTF-8
E3 85 9A
UTF-16
31 5A
UTF-32
00 00 31 5A
URL-Quoted
%E3%85%9A
HTML hex reference
ㅚ
Wrong windows-1252 Mojibake
ã…š
Encoding: CP949 (hex bytes)
A4 CA
Encoding: EUC_KR (hex bytes)
A4 CA
Encoding: GB18030 (hex bytes)
81 39 AD 34
Encoding: ISO2022_JP_2 (hex bytes)
1B 24 28 43 24 4A 1B 28 42
Encoding: ISO2022_KR (hex bytes)
1B 24 29 43 0E 24 4A 0F
Encoding: JOHAB (hex bytes)
86 41
Adobe Glyph List
oekorean
RFC 5137
\u'315A'
Bash and Zsh inside echo -e
\u315A
C and C++
\u315A
C#
\u315A
CSS
\00315A
Excel
=UNICHAR(12634)
Go
\u315A
JavaScript
\u315A
Modern JavaScript since ES6
\u{315a}
JSON
\u315A
Java
\u315A
Lua
\u{315A}
Matlab
char(12634)
Perl
"\x{315A}"
PHP
\u{315a}
PostgreSQL
U&'\315A'
PowerShell
`u{315A}
Python
\u315A
Ruby
\u{315a}
Rust
\u{315a}
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