题解 | #字符串通配符#

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
//https://blog.csdn.net/u012230798/article/details/86487304
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        while (in.hasNextLine()) {
            String s1 = in.nextLine();
            String s2 = in.nextLine();

            s1 = s1.toLowerCase();
            s2 = s2.toLowerCase();
            String regx = s1.replaceAll("\\*{2,}",
                                        "\\*"); //将出现次数2次及以上的*替换成一个*
            regx = regx.replaceAll("\\?", "[0-9a-z]{1}"); //将？替换为0-9或者a-z
            regx = regx.replaceAll("\\*", "[0-9a-z]{0,}");//将*替换为0-9或a-z多次
            //System.out.println(regx); regx变为了正则表达式
            System.out.println(s2.matches(regx)); //判断s2是否匹配正则表达式regx
        }
    }
}