JS10 Day 7: Regular Expressions III

개요

JS10 Day 7: Regular Expressions III

• https://www.hackerrank.com/challenges/js10-regexp-3/problem

해커랭크 10 Days of Javascript

#	문제	비고
6-7 Day e
18	JS10 Day 6: Bitwise Operators
19	JS10 Day 6: JavaScript Dates
20	JS10 Day 7: Regular Expressions I
21	JS10 Day 7: Regular Expressions II
22	JS10 Day 7: Regular Expressions III

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상단

'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++];
}

구현예시 1

function regexVar() {
    /*
     * Declare a RegExp object variable named 're'
     * It must match ALL occurrences of numbers in a string.
     */
    let re = /[0-9]+/g;
    /*
     * Do not remove the return statement
     */
    return re;
}

구현예시 2

function regexVar() {
    /*
     * Declare a RegExp object variable named 're'
     * It must match ALL occurrences of numbers in a string.
     */
    let re = /\d+/g;
    /*
     * Do not remove the return statement
     */
    return re;
}

하단

function main() {
    const re = regexVar();
    const s = readLine();
    
    const r = s.match(re);
    
    for (const e of r) {
        console.log(e);
    }
}