Code point
U+2563
Glyph appearance depends on your fonts.
U+2563
SoU+2563 BOX DRAWINGS DOUBLE VERTICAL AND LEFT 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+2563
9571
╣
╣
╣
E2 95 A3
2563
00002563
%E2%95%A3
\u2563
\u2563
\u2563
\2563