This character is a Spacing Mark and is mainly used in the Sinhala script. The character is also known as anusvara.
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. U+0D82 prohibits a line break before it. The glyph can be confused with one other glyph.
The Wikipedia has the following information about this codepoint:
Anusvara (Sanskrit: अनुस्वार, IAST: anusvāra), also known as Bindu (Hindi: बिंदु), is a symbol used in many Indic scripts to mark a type of nasal sound, typically transliterated ⟨ṃ⟩ or ⟨ṁ⟩ in standards like ISO 15919 and IAST. Depending on its location in the word and the language for which it is used, its exact pronunciation can vary. In the context of ancient Sanskrit, anusvara is the name of the particular nasal sound itself, regardless of written representation.
Representations
System
Representation (click value to copy)
Nº
3458
UTF-8
E0 B6 82
UTF-16
0D 82
UTF-32
00 00 0D 82
URL-Quoted
%E0%B6%82
HTML hex reference
ං
Wrong windows-1252 Mojibake
ං
alias
anusvara
Encoding: GB18030 (hex bytes)
81 32 C2 32
RFC 5137
\u'0D82'
Bash and Zsh inside echo -e
\u0D82
C and C++
\u0D82
C#
\u0D82
CSS
\000D82
Excel
=UNICHAR(3458)
Go
\u0D82
JavaScript
\u0D82
Modern JavaScript since ES6
\u{d82}
JSON
\u0D82
Java
\u0D82
Lua
\u{D82}
Matlab
char(3458)
Perl
"\x{D82}"
PHP
\u{d82}
PostgreSQL
U&'\0D82'
PowerShell
`u{D82}
Python
\u0D82
Ruby
\u{d82}
Rust
\u{d82}
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