U+29DA "⧚" Left Double Wiggly Fence Unicode Character

Unicode Version 17.0

U+29DA "⧚" Left Double Wiggly Fence is a specialized typographical symbol found in the Miscellaneous Mathematical Symbols-B block, primarily used in mathematical notation to denote a specific type of operator or relational fence within logical or set-theoretic expressions. Its design features two parallel, wavy vertical lines that suggest a boundary or interval with a flexible or approximate quality, often appearing in contexts where a double vertical bar is insufficient or where a zigzag line is needed to indicate a particular relation. While not commonly encountered in everyday text, it serves a precise role in advanced formalisms, such as those in lattice theory or fuzzy logic, where it may represent a doubled relation or a wiggly equivalence.

General Properties

Code Point U+29DA
Version Added 3.2
Name Left Double Wiggly Fence
Block Miscellaneous Mathematical Symbols-B
General Category Open Punctuation
Canonical Combining Class Not Reordered
Bidirectional Class Other Neutral
Mirrored Yes
Mirrored Character "⧛" U+29DB Right Double Wiggly Fence
Bidirectional Paired Bracket Type Open
Bidirectional Paired Bracket "⧛" U+29DB Right Double Wiggly Fence

Encodings

HTML Decimal Encoding ⧚
HTML Hex Encoding ⧚
UTF-8 Encoding 0xE2 0xA7 0x9A
UTF-16 Encoding 0x29DA
UTF-32 Encoding 0x000029DA
C/C++/Java Escape \u29da

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 Open Punctuation
Script Common
Script Extensions Common
Indic Syllabic Category Other
Pattern Syntax Yes
Math Yes
Other Math Yes
Vertical Orientation Rotated
Grapheme Base Yes
Grapheme Cluster Break Other
Word Break Other
Sentence Break Close