Code point
U+066B
Glyph appearance depends on your fonts.
U+066B
PoU+066B ARABIC DECIMAL SEPARATOR is a Unicode 16.0.0 character in the Other Punctuation category. It belongs to the Arabic block.
Choose the representation you need, then copy its value.
U+066B
1643
٫
٫
D9 AB
066B
0000066B
%D9%AB
\u066B
\u066B
\u066B
\066B