Javaregex 简明教程
Matching Predefined Character Classes
以下是使用正则表达式在 Java 中匹配预定义字符类的各种示例。
Following are various examples of matching predefined character classes using regular expression in java.
Sr.No |
Construct & Matches |
1 |
.Any character (may or may not match line terminators). |
2 |
\dA digit: [0-9]. |
3 |
\DA non-digit: [^0-9]. |
4 |
\sA whitespace character: [ \t\n\x0B\f\r] |
5 |
\SA non-whitespace character: [^\s]. |
6 |
\wA word character: [a-zA-Z_0-9]. |
7 |
\WA non-word character: [^\w] |