Code point
U+2557
Glyph appearance depends on your fonts.
U+2557
SoU+2557 BOX DRAWINGS DOUBLE DOWN 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+2557
9559
╗
╗
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E2 95 97
2557
00002557
%E2%95%97
\u2557
\u2557
\u2557
\2557