fancyBorder

function solve(param){
    let first = param.shift();
    for(let item of param){
        let regexItem = /(\@\#{1,})([A-Z][A-Za-z0-9]{4,}[A-Z])(\1)/g;
        let matchItem = item.match(regexItem);

        if(matchItem){

            for(let i of matchItem){
                let findNums = /[\d+]/g;
                let matchNums = i.match(findNums);

                if(matchNums){
                    console.log(`Product group: ${matchNums.join('')}`)
                }else{
                    console.log(`Product group: 00`)
                }
            }

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