Code point
U+25EB
Glyph appearance depends on your fonts.
U+25EB
SoU+25EB WHITE SQUARE WITH VERTICAL BISECTING LINE is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Geometric Shapes block.
Choose the representation you need, then copy its value.
U+25EB
9707
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E2 97 AB
25EB
000025EB
%E2%97%AB
\u25EB
\u25EB
\u25EB
\25EB