| Symbol Name | Horizontal Line Extension |
| Unicode Version | 3.2 |
| Unicode | U+23AF |
| Unicode block | |
| General category | Math Symbol (Sm) |
| CSS Code | \23AF |
| Hex Code | 0x23AF |
| HTML Code | ⎯ |
| LaTeX | \hline |
| Symbol | ⎯ |
| URL encode (UTF-8 percent) | %E2%8E%AF |
| Spoken / screen reader name | Horizontal Line Extension |
| UTF-8 | E2 8E AF |
| UTF-16 | 23AF |
| UTF-32 | 000023AF |
1\documentclass{article}2\usepackage{pifont}3\hline 4\end{document}You can type the horizontal line extension symbol on most modern devices with the help of following methods:
Alt + 9135 on Windows (numeric keypad with Num Lock), or insert via Character Map.
Edit → Emoji & Symbols, search "horizontal line extension", or use Unicode Hex Input with 23AF.
Ctrl + Shift + U, type 23af, then Enter (layout-dependent).
Paste from this page, use text replacement, or pick from the symbol keyboard.
Paste from this page or use a keyboard with geometric symbol support.
1span.horizontal-line-extension::before { content: "\23AF"; }1<span>⎯</span>Horizontal Line Extension symbol's representation in different programming languages can be found in the table below:
| Language | Representation |
|---|---|
| JavaScript / TypeScript | '\u23AF' or String.fromCodePoint(9135) |
| Python | '\N{HORIZONTAL LINE EXTENSION}' or chr(9135) |
| Rust | '\u{23AF}' |
| C / C++ | UTF-8 source or wchar_t with U+23AF |
| Go | string(rune(0x23AF)) |
| Ruby | "\u{23AF}" |