验证qq格式是否正确

[javascript]代码库

//检查qq格式是否正确
function check_qq(thisObj) {
    var qq = document.getElementById('qq').value;
    var reg = /^\d+$/;
    if (qq.search(reg)) {
        document.getElementById('show_qq').innerHTML = " QQ 只能为数字";
        return false;
    } else {
        document.getElementById('show_qq').innerHTML = "";
        return true;
    }
    
}