Javaregex 简明教程
Java Regex - Examples Matching Characters
以下是使用 Java 中的正则表达式匹配字符的各种示例。
Following are various examples of matching characters using regular expression in java.
Sr.No |
Construct & Matches |
1 |
xThe character x |
2 |
link:../javaregex/javaregex_characters_backslash.html[\\]The backslash character |
3 |
\0nThe character with octal value 0n (0 ≤ n ≤ 7) |
4 |
\0nnThe character with octal value 0nn (0 ≤ n ≤ 7) |
5 |
\0mnnThe character with octal value 0mnn (0 ≤ m ≤ 3, 0 ≤ n ≤ 7) |
6 |
\xhhThe character with hexadecimal value 0xhh |
7 |
\uhhhhThe character with hexadecimal value 0xhhhh |
8 |
\tThe tab character ('\u0009') |
9 |
\nThe newline (line feed) character ('\u000A') |
10 |
\rThe carriage-return character ('\u000D') |
11 |
\fThe form-feed character ('\u000C') |