Code point
U+2376
Glyph appearance depends on your fonts.
U+2376
SoU+2376 APL FUNCTIONAL SYMBOL ALPHA UNDERBAR is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Miscellaneous Technical block.
Choose the representation you need, then copy its value.
U+2376
9078
⍶
⍶
E2 8D B6
2376
00002376
%E2%8D%B6
\u2376
\u2376
\u2376
\2376