Code point
U+27FA
Glyph appearance depends on your fonts.
U+27FA
SmU+27FA LONG LEFT RIGHT DOUBLE ARROW is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Supplemental Arrows-A block.
Choose the representation you need, then copy its value.
U+27FA
10234
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E2 9F BA
27FA
000027FA
%E2%9F%BA
\u27FA
\u27FA
\u27FA
\27FA