题解 | #单词倒排#

const rl = require("readline").createInterface({ input: process.stdin });
var iter = rl[Symbol.asyncIterator]();
const readline = async () => (await iter.next()).value;

void (async function () {
    // Write your code here
    while ((line = await readline())) {
        let tokens = line.replace(/[^a-z]/gim, " ").split(" ");//全局，忽略大小写，多行
        console.log(tokens.reverse().join(" "));
    }
})();