Fancy Barcodes

function solve(input) {

    let numberOfbarcode = Number(input.shift());

    let pattern = /(?<start>@#+)(?<barcode>[A-Za-z\dA-Z]{6,})(?<end>@#+)/g;
    let code = '';

    for (const line of input) {
        match = pattern.exec(line);

        if (match) {
            for (const el of match.groups.barcode) {
                if (el.charCodeAt() >= 48 && el.charCodeAt() <= 57) {
                    code += el;
                }
            }
            (code == '') ?
            console.log(`Product group: 00`) :
            console.log(`Product group: ${code}`)

        } else {
            console.log(`Invalid barcode`);
        }
    }
}


solve([
    '6',
    '@###Val1d1teM@###',
    '@#ValidIteM@#',
    '##InvaliDiteM##',
    '@InvalidIteM@',
    '@#Invalid_IteM@#',
    '@#ValiditeM@#'
  ]);