Code point
U+3003
Glyph appearance depends on your fonts.
U+3003
PoU+3003 DITTO MARK is a Unicode 16.0.0 character in the Other Punctuation category. It belongs to the CJK Symbols and Punctuation block.
Choose the representation you need, then copy its value.
U+3003
12291
〃
〃
E3 80 83
3003
00003003
%E3%80%83
\u3003
\u3003
\u3003
\3003