Fancy Barcodes

function checkBarcodes(input) {
    let barcodeCount = Number(input.shift());
    let barcodesToCheck = input.slice(0, barcodeCount);
    let validBarcodePattern = /@#+[A-Z][A-Za-z\d]{4,}[A-Z]@#+/;
    let digitsPattern = /\d/g;
    barcodesToCheck.forEach(barcode => {
        if (!barcode.match(validBarcodePattern)) {
            console.log('Invalid barcode');
        } else {
            let currentBarcode = barcode.match(digitsPattern)
            if (currentBarcode === null) {
                console.log('Product group: 00');
            } else {
                console.log(`Product group: ${currentBarcode.join('')}`);
            }
        }
    });
}