Javaregex 简明教程

Java Regex - Matching Character Classes

以下是使用 Java 中的正则表达式匹配各种字符类别的示例。

Following are various examples of matching character classes using regular expression in java.

Sr.No	Construct & Matches
1	[abc]a, b, or c (simple class).
2	[^abc]Any character except a, b, or c (negation).
3	[a-zA-Z]a through z or A through Z, inclusive (range).
4	[a-d[m-p]]a through d, or m through p: [a-dm-p] (union).
5	[a-z&&[def]]d, e, or f (intersection).
6	[a-z&&[^bc]]a through z, except for b and c: [ad-z] (subtraction)
7	[a-z&&[^m-p]]a through z, and not m through p: [a-lq-z](subtraction).