关于JAVA中字符串返回值

Question

Answer 1

通过正则表达式
public class String_20211119_02 {
public static void main(String[] args) {
String str = "Beijing 2008";
Pattern pattern = Pattern.compile("[a-zA-Z]+");
Matcher matcher = pattern.matcher(str);
while(matcher.find()){
System.out.println(matcher.group() + "长度为：" + matcher.group().length());
}
}
}