Halfwidth and Fullwidth Forms: Fullwidth Low Line

＿

U+FF3F

＿

Noto text font

Plane: 0 (Basic Multilingual)
Block: Halfwidth and Fullwidth Forms
Unicode Version: 1.1

UTF-32BE: 00 00 FF 3F
UTF-32LE: 3F FF 00 00
UTF-16BE: FF 3F
UTF-16LE: 3F FF
UTF-8: EF BC BF

Character Escapes

HTML5: ＿; ＿
C: \uFF3F (C99); \U00FF3F (C99)
C++: \u{FF3F} (C++23); \U0000FF3F; \uFF3F
Java: \uFF3F
JavaScript: \u{FF3F}; \uFF3F
CSS: \FF3F; \00FF3F
Quoted-Printable: =EF=BC=BF
URL: %EF%BC%BF