题解 | #单词倒排#--使用正则表达式
单词倒排
https://www.nowcoder.com/practice/81544a4989df4109b33c2d65037c5836
import java.util.*; public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); while (in.hasNextLine()) { String str = in.nextLine(); // 使用正则 String[] strs = str.split("[^A-Za-z]"); for (int i = strs.length - 1; i >=0; i--) { System.out.print(strs[i] + " "); } } } }