Code point
U+27DE
Glyph appearance depends on your fonts.
U+27DE
SmU+27DE LONG LEFT TACK is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Miscellaneous Mathematical Symbols-A block.
Choose the representation you need, then copy its value.
U+27DE
10206
⟞
⟞
E2 9F 9E
27DE
000027DE
%E2%9F%9E
\u27DE
\u27DE
\u27DE
\27DE