题解 | #字符串排序#

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 tmpArr = line.trim().split("");
        let abcArr = [];
        for (let i = 0; i < tmpArr.length; i++) {
            if (/^[a-zA-Z]$/.test(tmpArr[i])) {
                abcArr.push(tmpArr[i]);
            }
        }
        abcArr.sort((a, b) => {
            a = a.toLowerCase();
            b = b.toLowerCase();
            return a > b ? 1 : a < b ? -1 : 0;
        });
        let otherArr = [];
        for (let i = 0; i < tmpArr.length; i++) {
            if (!/^[a-zA-Z]$/.test(tmpArr[i])) {
                otherArr.push([tmpArr[i], i]);
            }
        }
        otherArr.forEach((item) => {
            abcArr.splice(item[1], 0, item[0]);
        });
        console.log(abcArr.join(""));
    }
})();