This character is a Other Punctuation and is mainly used in the Buginese script.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it is written from left to right. When changing direction it is not mirrored. The word that U+1A1E forms with similar adjacent characters prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
In the Buginese language, pallawa is a punctuation symbol. It is composed of three cascading diagonal dots. A pallawa is used to separate rhythmico-intonational groups, thus functionally corresponding to the full stop and comma of the Latin script.
Representations
System
Representation (click value to copy)
Nº
6686
UTF-8
E1 A8 9E
UTF-16
1A 1E
UTF-32
00 00 1A 1E
URL-Quoted
%E1%A8%9E
HTML hex reference
᨞
Wrong windows-1252 Mojibake
᨞
Encoding: GB18030 (hex bytes)
81 35 8B 30
RFC 5137
\u'1A1E'
Bash and Zsh inside echo -e
\u1A1E
C and C++
\u1A1E
C#
\u1A1E
CSS
\001A1E
Excel
=UNICHAR(6686)
Go
\u1A1E
JavaScript
\u1A1E
Modern JavaScript since ES6
\u{1a1e}
JSON
\u1A1E
Java
\u1A1E
Lua
\u{1A1E}
Matlab
char(6686)
Perl
"\x{1A1E}"
PHP
\u{1a1e}
PostgreSQL
U&'\1A1E'
PowerShell
`u{1A1E}
Python
\u1A1E
Ruby
\u{1a1e}
Rust
\u{1a1e}
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