leetcode Keyboard Row

Keyboard Row

Input: ["Hello", "Alaska", "Dad", "Peace"]Output: ["Alaska", "Dad"]

正则结合数组过滤

var findWords = function(words) {    return words.filter((w) => {       if(          // *代表0或多次 即任意次数          !/^[qwertyuiop]*$/i.test(w) &&           !/^[asdfghjkl]*$/i.test(w) &&          !/^[zxcvbnm]*$/i.test(w)       ){          return false;       } else{          return true;       }    });}