Code point
U+2990
Glyph appearance depends on your fonts.
U+2990
PeU+2990 RIGHT SQUARE BRACKET WITH TICK IN TOP CORNER is a Unicode 16.0.0 character in the Close Punctuation category. It belongs to the Miscellaneous Mathematical Symbols-B block.
Choose the representation you need, then copy its value.
U+2990
10640
⦐
⦐
⦐
E2 A6 90
2990
00002990
%E2%A6%90
\u2990
\u2990
\u2990
\2990