Code point
U+255E
Glyph appearance depends on your fonts.
U+255E
SoU+255E BOX DRAWINGS VERTICAL SINGLE AND RIGHT DOUBLE 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+255E
9566
╞
╞
╞
E2 95 9E
255E
0000255E
%E2%95%9E
\u255E
\u255E
\u255E
\255E