Code point
U+2B3C
Glyph appearance depends on your fonts.
U+2B3C
SmU+2B3C LEFTWARDS TWO-HEADED ARROW WITH TAIL WITH VERTICAL STROKE is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Miscellaneous Symbols and Arrows block.
Choose the representation you need, then copy its value.
U+2B3C
11068
⬼
⬼
E2 AC BC
2B3C
00002B3C
%E2%AC%BC
\u2B3C
\u2B3C
\u2B3C
\2B3C