U+23B1 "⎱" Upper Right or Lower Left Curly Bracket Section Unicode Character
Unicode Version 17.0
⎱
U+23B1 "⎱" Upper Right or Lower Left Curly Bracket Section is a typographical symbol used in mathematical notation and technical text to represent a specific segment or corner of a larger curly brace. It is part of the miscellaneous technical symbols block and is often employed alongside its counterpart, U+23B0 "⎰," to build a vertical curly bracket that is open on one side, typically for grouping a set of expressions or equations without a full enclosing brace. The character's name reflects its dual orientation, as it can function as either the upper right or lower left section of a bracket, depending on the context in which it is used.
General Properties
| Code Point | U+23B1 |
| Version Added | 3.2 |
| Name | Upper Right or Lower Left Curly Bracket Section |
| Block | Miscellaneous Technical |
| General Category | Math Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
Encodings
| HTML Decimal Encoding | ⎱ |
| HTML Hex Encoding | ⎱ |
| UTF-8 Encoding | 0xE2 0x8E 0xB1 |
| UTF-16 Encoding | 0x23B1 |
| UTF-32 Encoding | 0x000023B1 |
| C/C++/Java Escape | \u23b1 |
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 |