917. 浠呬粎鍙嶈浆瀛楁瘝

Posted 2021-01-28

鏍囩锛?a href='http://www.mamicode.com/so/1/line' title='line'>line   isp   bsp   span   filter   join   only   imp   class   

 1/**
 2 * @param {string} S
 3 * @return {string}
 4 */
 5var reverseOnlyLetters = function(S) {
 6    let reverseArr = [...S].filter(item => /[A-Za-z]/.test(item)).reverse();
 7    return [...S]
 8        .map(item => /[A-Za-z]/.test(item) ? reverseArr.shift() : item)
 9        .join(鈥樷€?/span>);
10};
11
12ensureEqual(reverseOnlyLetters("ab-cd"), "dc-ba", 鈥榯est1鈥?/span>);
13ensureEqual(reverseOnlyLetters("a-bC-dEf-ghIj"), "j-Ih-gfE-dCba", 鈥榯est2鈥?/span>);
14ensureEqual(reverseOnlyLetters("Test1ng-Leet=code-Q!"), "Qedo1ct-eeLg=ntse-T!", 鈥榯est3鈥?/span>);