Day7_Regular Expressions III.js

'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() {
    /*
     * Declare a RegExp object variable named 're'
     * It must match ALL occurrences of numbers in a string.
     */

    /*
        g is used for global search, search
        for input 999.99 it will give an 
        output as split as 999, 99
    */
    
    let re = /([0-9])+/g;
    
    /*
     * Do not remove the return statement
     */
    return re;
}

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