U+239C "⎜" Left Parenthesis Extension Unicode Character
Unicode Version 17.0
⎜
U+239C "⎜" Left Parenthesis Extension is a graphical glyph used primarily in mathematical and technical typesetting to extend the vertical height of a left parenthesis symbol, allowing it to enclose tall expressions such as matrices, integrals, or multi-line equations. It belongs to the Miscellaneous Technical block of Unicode and is typically combined with other bracket extension characters to create a seamless, scalable parenthesis. While not commonly found in standard text, this character serves a precise function in digital typography and plain text representations of formatted mathematical notation, supporting the construction of visually consistent enclosures when full application markup is unavailable.
General Properties
| Code Point | U+239C |
| Version Added | 3.2 |
| Name | Left Parenthesis Extension |
| 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 0x9C |
| UTF-16 Encoding | 0x239C |
| UTF-32 Encoding | 0x0000239C |
| C/C++/Java Escape | \u239c |
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 |