U+FF5F "｟" Fullwidth Left White Parenthesis Unicode Character

U+FF5F "｟" Fullwidth Left White Parenthesis is a typographic symbol used primarily in East Asian writing systems to represent an opening bracket that occupies the same width as a standard fullwidth character. It is part of the Halfwidth and Fullwidth Forms block in Unicode, where it serves as a visual counterpart to its narrow or regular-width left parenthesis, but with a distinct hollow or outlined appearance that sets it apart from typical solid brackets. This character is often employed in contexts requiring emphasis or structural clarity, such as in mathematical notation, linguistic annotation, or decorative text formatting, and it pairs with the Fullwidth Right White Parenthesis U+FF60 to enclose content.

General Properties

Code Point	U+FF5F
Version Added	3.2
Name	Fullwidth Left White Parenthesis
Block	Halfwidth and Fullwidth Forms
General Category	Open Punctuation
Canonical Combining Class	Not Reordered
Bidirectional Class	Other Neutral
Mirrored	Yes
Mirrored Character	"｠" U+FF60 Fullwidth Right White Parenthesis
Bidirectional Paired Bracket Type	Open
Bidirectional Paired Bracket	"｠" U+FF60 Fullwidth Right White Parenthesis
Decomposition Type	Wide
Decomposition Mapping	"⦅" U+2985 Left White Parenthesis

Encodings

HTML Decimal Encoding	｟
HTML Hex Encoding	｟
UTF-8 Encoding	0xEF 0xBD 0x9F
UTF-16 Encoding	0xFF5F
UTF-32 Encoding	0x0000FF5F
C/C++/Java Escape	\uff5f

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Open Punctuation
East Asian Width	Fullwidth
Changes When NFKC Casefolded	Yes
NFKC Casefold	"⦅" U+2985 Left White Parenthesis
NFKC Simple Casefold	"⦅" U+2985 Left White Parenthesis
Script	Common
Script Extensions	Common
Indic Syllabic Category	Other
Vertical Orientation	Transformed Rotated
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Other
Sentence Break	Close