var maxDepth = function(s) {
let depth = 0;
const onlyBrakets = s.replace(/[^()]/g, "");
let braketCount = 0;
for (const braket of onlyBrakets) {
if (braket === "(") {
braketCount++;
}
else {
depth = Math.max(braketCount, depth);
braketCount--;
}
}
return depth;
};