!
U+0021
| 名称 | ! 叹号 |
| 编码 | U+0021 |
| HTML代码 | ! ! |
| CSS代码 | \0021 |
| 实体 | ! |
| 分区 | 基本拉丁字母 |
| 版本 | 1.1 (1993) |
| 键盘码 | Alt 33 |
| Age | 1.1 |
| 镜像 | No |
| Bidi Paired Bracket Type | None |
| Composition Exclusion | No |
| Case Folding | 0021 |
| Simple Case Folding | 0021 |
编码
| 编码 | hex | dec(bytes) | dec | binary |
|---|---|---|---|---|
| UTF-8 | 21 | 33 | 33 | 00100001 |
| UTF-16BE | 00 21 | 0 33 | 33 | 00000000 00100001 |
| UTF-16LE | 21 00 | 33 0 | 8448 | 00100001 00000000 |
| UTF-32BE | 00 00 00 21 | 0 0 0 33 | 33 | 00000000 00000000 00000000 00100001 |
| UTF-32LE | 21 00 00 00 | 33 0 0 0 | 553648128 | 00100001 00000000 00000000 00000000 |