In this HackerRank Day 7: Regular Expressions I 10 days of javascript problem you need to Complete the function in the editor below by returning a RegExp object, re, that matches any string s that begins and ends with the same vowel. Recall that the English vowels are a, e, i, o, and u.
HackerRank Day 7: Regular Expressions I 10 days of javascript problem solution.
'use strict'; process.stdin.resume(); process.stdin.setEncoding('utf-8'); let inputString = ''; let currentLine = 0; process.stdin.on('data', inputStdin => { inputString += inputStdin; }); process.stdin.on('end', _ => { inputString = inputString.trim().split('n').map(string => { return string.trim(); }); main(); }); function readLine() { return inputString[currentLine++]; } function regexVar(str) { // ^ => first item matches: // () => stores matching value captured within // [aeiou] => matches any of the characters in the brackets // . => matches any character: // + => for 1 or more occurrances (this ensures str length > 3) // 1 => matches to previously stored match. // 2 looks for matched item stored 2 instances ago // 3 looks for matched item stored 3 ago, etc // $ ensures that matched item is at end of the sequence let re = /^([aeiou]).+1$/; return re; } function main() { const re = regexVar(); const s = readLine(); console.log(re.test(s)); }