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 result = sortString(line);
    console.log(result);
  }

  function sortString(str) {
    const list = str.match(/[a-zA-Z]/gi);
    const sortList = list.sort((a,b) => {
      if (a.toUpperCase() > b.toUpperCase()) {
        return 1;
      }
      if (a.toUpperCase() < b.toUpperCase()) {
        return -1;
      }
    });
    let result = "";
    for(let i = 0; i < str.length; i++) {
      let ch = str.slice(i, i+1);
      if (/[a-zA-Z]/i.test(ch)) {
        result += sortList.shift();
      } else {
        result += ch;
      }
    }
    return result;
  }
})();