Code point
U+21F7
Glyph appearance depends on your fonts.
U+21F7
SmU+21F7 LEFTWARDS ARROW WITH VERTICAL STROKE is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Arrows block.
Choose the representation you need, then copy its value.
U+21F7
8695
⇷
⇷
E2 87 B7
21F7
000021F7
%E2%87%B7
\u21F7
\u21F7
\u21F7
\21F7