正则表达式

<script>
    document.getElementById("frminfo").onsubmit = function () {
        const regex1 = /^[\u4e00-\u9fa5]{2,10}$/;
        const regex2 = /^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X)$/;
        let name = document.getElementById("name").value;
        let idno = document.getElementById("idno").value;
        if (regex1.test(name)) {
            document.getElementById("err").innerHTML = "无效姓名";
            return false;
        } else if (regex2.test(idno)) {
            document.getElementById("err").innerHTML = "无效身份证号";
            return false;
        } else {
            alert("验证通过");
            return true;
        }
    }
</script>