Code point
U+255C
Glyph appearance depends on your fonts.
U+255C
SoU+255C BOX DRAWINGS UP DOUBLE AND LEFT SINGLE is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Box Drawing block.
Choose the representation you need, then copy its value.
U+255C
9564
╜
╜
╜
E2 95 9C
255C
0000255C
%E2%95%9C
\u255C
\u255C
\u255C
\255C