ํ‹ฐ์Šคํ† ๋ฆฌ ๋ทฐ

๋ฌธ์ œ

์•ž์—์„œ ์ฝ์„ ๋•Œ๋‚˜ ๋’ค์—์„œ ์ฝ์„ ๋•Œ๋‚˜ ๊ฐ™์€ ๋ฌธ์ž์—ด์„ ํŒฐ๋ฆฐ๋“œ๋กฌ์ด๋ผ๊ณ  ํ•œ๋‹ค.

๋ฌธ์ž์—ด์ด ์ž…๋ ฅ๋˜๋ฉด ํ•ด๋‹น ๋ฌธ์ž์—ด์ด ํŒฐ๋ฆฐ๋“œ๋กฌ์ด๋ฉด "YES", ์•„๋‹ˆ๋ฉด "NO"๋ฅผ ์ถœ๋ ฅํ•˜๊ณ ์ž ํ•œ๋‹ค.

๋‹จ, ํšŒ๋ฌธ์„ ๊ฒ€์‚ฌํ•  ๋•Œ ์•ŒํŒŒ๋ฒณ๋งŒ ๊ฐ€์ง€๊ณ  ํšŒ๋ฌธ์„ ๊ฒ€์‚ฌํ•˜๋ฉฐ, ๋Œ€์†Œ๋ฌธ์ž๋ฅผ ๊ตฌ๋ถ„ํ•˜์ง€ ์•Š๋Š”๋‹ค.

(์•ŒํŒŒ๋ฒณ ์ด์™ธ์˜ ๋ฌธ์ž๋“ค์€ ๋ฌด์‹œํ•œ๋‹ค)

 

๋ฌธ์ œํ’€์ด

์ด์ „์— ํฌ์ŠคํŒ…ํ•œ ํšŒ๋ฌธ ๋ฌธ์ž์—ด ๋ฌธ์ œ์™€ ๊ฐ™์ด ์ˆœ์„œ์Œ์œผ๋กœ ๋ฌถ์–ด ๊ฐ™์€ ๋ฌธ์ž์—ด์ธ์ง€ ๊ฒ€์‚ฌํ•œ๋‹ค.

 

์•ŒํŒŒ๋ฒณ ์ด์™ธ์˜ ๋ฌธ์ž๋“ค์€ ๊ฒ€์‚ฌํ•˜์ง€ ์•Š๊ธฐ ๋•Œ๋ฌธ์— ์ •๊ทœ ํ‘œํ˜„์‹์„ ์ด์šฉํ•˜์—ฌ ์ˆซ์ž๋‚˜ ํŠน์ˆ˜๋ฌธ์ž๋ฅผ ์ œ์™ธํ•˜๊ณ  ์•ŒํŒŒ๋ฒณ๋งŒ ๋‚จ์•„ ์žˆ๋Š” ๋ฌธ์ž์—ด๋“ค๋กœ ์ด๋ฃจ์–ด์ง„ ์ƒˆ๋กœ์šด ๋ฐฐ์—ด์„ ์ƒ์„ฑํ•ด ์ค€๋‹ค.

 

์ฝ”๋“œ

function solution(...strArr) {
  let answer = "YES";
  let newStr = Array.from({ length: 0 });
  let legExp = /[^a-zA-Z]/gi;

  for (let x of strArr) {
    newStr.push(x.toLowerCase().replace(legExp, ""));
  }

  let strScope = Math.floor(newStr.length / 2);

  for (let i = 0; i < strScope; i++) {
    if (
      newStr[i] !== newStr[newStr.length - 1 - i].split("").reverse().join("")
    ) {
      answer = "NO";
    }
  }
  return answer;
}

console.log(
  solution("found7,", "time:", "study;", "Yduts;", "emit,", "7Dnuof")
);

 

๊ฐœ์„ ์‚ฌํ•ญ

String.toLowerCase()๋ฅผ ํ†ตํ•ด ๊ฐ ๋ฌธ์ž์—ด์€ ์ด๋ฏธ ์†Œ๋ฌธ์ž๋กœ ๋ฐ”๊ผˆ๊ธฐ ๋•Œ๋ฌธ์— ์ •๊ทœ ํ‘œํ˜„์‹์œผ๋กœ ๊ฒ€์‚ฌ๋ฅผ ํ• ๋•Œ ๋Œ€๋ฌธ์ž๊นŒ์ง€ ์‹๋ณ„ ์š”์†Œ๋กœ ์“ธ ํ•„์š”๋Š” ์—†๋‹ค.

/[^a-zA-Z]/g ์ด ์•„๋‹Œ /[^a-z]/g๋กœ๋„ ์ถฉ๋ถ„ํ•˜๋‹ค. 

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