U+003F "?" Question Mark Unicode Character

Unicode Version 17.0

?

U+003F "?" Question Mark is a fundamental punctuation mark used in many writing systems to indicate a direct question or an interrogative sentence. Originating from the Latin alphabet, it is encoded in the Basic Latin block of Unicode and is widely recognized in digital communication for ending queries, representing unknown values in programming, or denoting uncertainty in text. Its visual design typically features a hook or curve above a dot, and it occupies code point 0x3F in ASCII and UTF 8, ensuring consistent representation across various platforms and software.

General Properties

Code Point U+003F
Version Added 1.1
Name Question Mark
Block Basic Latin
General Category Other Punctuation
Canonical Combining Class Not Reordered
Bidirectional Class Other Neutral

Encodings

HTML Decimal Encoding ?
HTML Hex Encoding ?
UTF-8 Encoding 0x3F
UTF-16 Encoding 0x003F
UTF-32 Encoding 0x0000003F
C/C++/Java Escape \u003f

Unicode Properties

NFC Quick Check Yes
NFD Quick Check Yes
NFKC Quick Check Yes
NFKD Quick Check Yes
Numeric Type None
Numeric Value NaN
Line Break Exclamation/Interrogation
East Asian Width Narrow
Script Common
Script Extensions Common
Indic Syllabic Category Other
Pattern Syntax Yes
Terminal Punctuation Yes
Sentence Terminal Yes
Vertical Orientation Rotated
Grapheme Base Yes
Grapheme Cluster Break Other
Word Break Other
Sentence Break STerm