发布网友 发布时间:2023-11-09 01:29
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热心网友 时间:2024-10-25 20:23
public static void main(String[] args) {
String str = "bAa";
Pattern p = Pattern.compile("^[A-Za-z]+$");
Matcher m = p.matcher(str);
boolean isValid = m.matches();
System.out.println(isValid);
}