Recursively find and replace all strings from a object

recursive-replace-strings.js

const cleanObject = (object) => {
    if (object !== null) {
        switch (typeof object) {
            case 'string' :
                const regex = new RegExp('your regex', 'gm');
                object = object.replace(regex, 'your new string');
                break;
            case 'object':
                if (object instanceof Array) {
                    const length = object.length;
                    for (let i = 0; i < length; i++) {
                        object[i] = cleanObject(object[i]);
                    }
                } else {
                    for (let i in object) {
                        object[i] = cleanObject(object[i]);
                    }
                }
                break;
        }
    }

    return object;
};

// replace domain name to main domain name
result = cleanObject(result);