Code point
U+21DE
Glyph appearance depends on your fonts.
U+21DE
SoU+21DE UPWARDS ARROW WITH DOUBLE STROKE is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Arrows block.
Choose the representation you need, then copy its value.
U+21DE
8670
⇞
⇞
E2 87 9E
21DE
000021DE
%E2%87%9E
\u21DE
\u21DE
\u21DE
\21DE