How to make the numbers remained without the quotes?

Question

Hi all. Not gravitas)
There is such a pen

as a result, data from forms go to json

{
    "ItemToOrders": [{
        "Qty": "1",
        "FrameStyle": "2"
    }],
    "cotact": {
        "city": "уу",
        "country": "уу"
    }
}

как сделать так, чтоб вокруг чисел небыло "кавычек"
вот например так

{
    "ItemToOrders": [{
        "Qty": 1,
        "FrameStyle": 2
    }],
    "cotact": {
        "city": "уу",
        "country": "уу"
    }
}

Answer 1

The regular season is possible:

const regex = /"(\d+)"/g;
const subst = `$1`;

const result = foo.replace(regex, subst);

console.log(result);

Answer 2

in a loop through the array ItemToOrders allow its value to the number