Code point
U+FE3B
Glyph appearance depends on your fonts.
U+FE3B
Ps<vertical> 3010U+FE3B PRESENTATION FORM FOR VERTICAL LEFT BLACK LENTICULAR BRACKET is a Unicode 16.0.0 character in the Open Punctuation category. It belongs to the CJK Compatibility Forms block.
Choose the representation you need, then copy its value.
U+FE3B
65083
︻
︻
EF B8 BB
FE3B
0000FE3B
%EF%B8%BB
\uFE3B
\uFE3B
\uFE3B
\FE3B