| 記号名 | Rightwards Arrow Over Leftwards Arrow |
| Unicodeバージョン | 1.1 |
| Unicode | U+21C4 |
| Unicodeブロック | |
| 一般カテゴリ | Other Symbol (So) |
| CSSコード |
| UTF-8 | E2 87 84 |
| UTF-16 | 21C4 |
| UTF-32 | 000021C4 |
1\documentclass{article}2\usepackage{pifont}3\text{RIGHTWARDSARROWOVERLEFTWARDSARROW}4\end{document}以下の方法でほとんどの最新デバイスでrightwards arrow over leftwards arrow記号を入力できます:
Alt + 8644 on Windows (numeric keypad with Num Lock), or insert via Character Map.
Edit → Emoji & Symbols, search "rightwards arrow over leftwards arrow", or use Unicode Hex Input with 21C4.
Ctrl + Shift + U, type 21c4, 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 arrow symbol support.
1span.rightwards-arrow-over-leftwards-arrow::before { content: "\21C4"; }1<span>⇄</span>各プログラミング言語におけるRightwards Arrow Over Leftwards Arrow記号の表現は以下の表の通りです:
| 言語 | 表現 |
|---|---|
| JavaScript / TypeScript | '\u21C4' or String.fromCodePoint(8644) |
| Python | '\N{RIGHTWARDS ARROW OVER LEFTWARDS ARROW}' or chr(8644) |
| Rust | '\u{21C4}' |
| C / C++ | UTF-8 source or wchar_t with U+21C4 |
| Go | string(rune(0x21C4)) |
| Ruby | "\u{21C4}" |
\21C4 |
| 16進コード | 0x21C4 |
| HTMLコード | ⇄ |
| LaTeX | \text{RIGHTWARDSARROWOVERLEFTWARDSARROW} |
| 記号 | ⇄ |
| URLエンコード(UTF-8パーセント) | %E2%87%84 |
| 読み上げ名 / スクリーンリーダー | Rightwards Arrow Over Leftwards Arrow |