aestheticsymbols
Use in a combo

Eight-pointed star (text style) copy & paste

✴︎ is eight-pointed star (text style), a plain-text Unicode symbol built from several characters from the Dingbats block. On Aesthetic Symbols it lives in the sparkles & glitter collection, tagged sparkle, star. As plain text it takes on the font and colour of wherever you paste it — a bio, a username, a caption or a stream title.

Unicode
U+2734 U+FE0E
HTML entity
✴︎
CSS content
\2734 \FE0E
JavaScript
\u{2734}\u{FE0E}
UTF-8 bytes
E2 9C B4 EF B8 8E
Made of

U+2734 ✴ · Dingbats

U+FE0E text-style selector · Variation Selectors

Will it show up? · Long-established text symbols

Plain-text characters from blocks that mainstream desktop and mobile fonts have covered for years. These are the safe ones.

Worked out from how each character is encoded, not from a test on a real device.