Code point
U+FFE9
Glyph appearance depends on your fonts.
U+FFE9
Sm<narrow> 2190U+FFE9 HALFWIDTH LEFTWARDS ARROW is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Halfwidth and Fullwidth Forms block.
Choose the representation you need, then copy its value.
U+FFE9
65513
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EF BF A9
FFE9
0000FFE9
%EF%BF%A9
\uFFE9
\uFFE9
\uFFE9
\FFE9