Code point
U+3014
Glyph appearance depends on your fonts.
U+3014
PsU+3014 LEFT TORTOISE SHELL BRACKET is a Unicode 16.0.0 character in the Open Punctuation category. It belongs to the CJK Symbols and Punctuation block.
Choose the representation you need, then copy its value.
U+3014
12308
〔
〔
E3 80 94
3014
00003014
%E3%80%94
\u3014
\u3014
\u3014
\3014