function getSum(s) {
    return s.match(new RegExp(/\d+/, 'g'))
        .map(function (t) { return t & 1 ? Math.pow(t, 2) : 0 })
        .reduce(function (total, n) {
        return total + n;
    })
}

console.log(getSum("ab2v9bc13j5jf4jv21"));