U+27DB "⟛" Left and Right Tack Unicode Character
Unicode Version 17.0
⟛
U+27DB "⟛" Left and Right Tack is a typographical symbol that represents a horizontal line with a short vertical stroke extending upward from its left end and a short vertical stroke extending downward from its right end, effectively combining two opposing tacks into a single glyph. This character is classified under the Miscellaneous Mathematical Symbols-A block and is primarily used in mathematical notation and logic, where it can signify a bidirectional relation, such as a simultaneous assertion or denial of a statement, or function as a separator or operator in formal systems. Its design mirrors the concept of opposing forces or directions, making it a specialized tool in technical writing rather than common text.
General Properties
| Code Point | U+27DB |
| Version Added | 3.2 |
| Name | Left and Right Tack |
| Block | Miscellaneous Mathematical Symbols-A |
| General Category | Math Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
Encodings
| HTML Decimal Encoding | ⟛ |
| HTML Hex Encoding | ⟛ |
| UTF-8 Encoding | 0xE2 0x9F 0x9B |
| UTF-16 Encoding | 0x27DB |
| UTF-32 Encoding | 0x000027DB |
| C/C++/Java Escape | \u27db |
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 | Alphabetic |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| Pattern Syntax | Yes |
| Math | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Other |
| Sentence Break | Other |