Code point
U+303B
Glyph appearance depends on your fonts.
U+303B
LmU+303B VERTICAL IDEOGRAPHIC ITERATION MARK is a Unicode 16.0.0 character in the Modifier Letter category. It belongs to the CJK Symbols and Punctuation block.
Choose the representation you need, then copy its value.
U+303B
12347
〻
〻
E3 80 BB
303B
0000303B
%E3%80%BB
\u303B
\u303B
\u303B
\303B