This character is a Spacing Mark and is mainly used in the Tamil script.
The glyph is a canonical composition of the glyphs Tamil Vowel Sign Ee, Tamil Vowel Sign Aa. 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+0BCB prohibits a line break before it. The glyph can be confused with one other glyph.
The Wikipedia has the following information about this codepoint:
The Tamil script (தமிழ் அரிச்சுவடிTamiḻ ariccuvaṭi[tamiɻˈaɾitːɕuʋaɽi]) is an abugida script that is used by Tamils and Tamil speakers in India, Sri Lanka, Malaysia, Singapore, Indonesia and elsewhere to write the Tamil language. It is one of the official scripts of the Indian Republic. Certain minority languages such as Saurashtra, Badaga, Irula and Paniya are also written in the Tamil script.
Representations
System
Representation (click value to copy)
Nº
3019
UTF-8
E0 AF 8B
UTF-16
0B CB
UTF-32
00 00 0B CB
URL-Quoted
%E0%AF%8B
HTML hex reference
ோ
Wrong windows-1252 Mojibake
ோ
Encoding: GB18030 (hex bytes)
81 32 96 33
RFC 5137
\u'0BCB'
Bash and Zsh inside echo -e
\u0BCB
C and C++
\u0BCB
C#
\u0BCB
CSS
\000BCB
Excel
=UNICHAR(3019)
Go
\u0BCB
JavaScript
\u0BCB
Modern JavaScript since ES6
\u{bcb}
JSON
\u0BCB
Java
\u0BCB
Lua
\u{BCB}
Matlab
char(3019)
Perl
"\x{BCB}"
PHP
\u{bcb}
PostgreSQL
U&'\0BCB'
PowerShell
`u{BCB}
Python
\u0BCB
Ruby
\u{bcb}
Rust
\u{bcb}
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