正则表达式：如何知道该字符串包含至少2个大写字母？ [英] Regex: how to know that string contains at least 2 upper case letters?

问题描述

如何知道该字符串包含至少2个大写字母？例如，这些是有效的字符串Lazy Cat，NOt very lazy cat。使用Java 1.7。

How to know that string contains at least 2 upper case letters? For example these are valid strings "Lazy Cat", "NOt very lazy cat". Working with Java 1.7.

推荐答案

尝试使用以下正则表达式：

Try with following regex:

"^(.*?[A-Z]){2,}.*$"

或

"^(.*?[A-Z]){2,}"

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