JSFiddle - React, Tailwind, and code Playground

by Tushar Jadhav

JavaScript

var arr = ["ab", "abcd", "abdf", "abcdd", "abcdd", "abcdfd", "abcdsss", "abcdefgh", "abcdsdsdsds"];

var matches = arr.join().match(/\b[a-z]{5}\b/ig);

arr.splice(0, arr.lastIndexOf(matches[matches.length - 1]) + 1);

console.log(arr);