📅 最后修改于: 2020-11-14 10:19:42 🧑 作者: Mango
以下是在Java中使用正则表达式匹配字符的各种示例。
| Sr.No | Construct & Matches |
|---|---|
| 1 | x
The character x |
| 2 | \\
The backslash character |
| 3 | \0n
The character with octal value 0n (0 ≤ n ≤ 7) |
| 4 | \0nn
The character with octal value 0nn (0 ≤ n ≤ 7) |
| 5 | \0mnn
The character with octal value 0mnn (0 ≤ m ≤ 3, 0 ≤ n ≤ 7) |
| 6 | \xhh
The character with hexadecimal value 0xhh |
| 7 | \uhhhh
The character with hexadecimal value 0xhhhh |
| 8 | \t
The tab character (‘\u0009’) |
| 9 | \n
The newline (line feed) character (‘\u000A’) |
| 10 | \r
The carriage-return character (‘\u000D’) |
| 11 | \f
The form-feed character (‘\u000C’) |