html5表单pattern属性配合正则验证电话和*

参考地址：https://www.cnblogs.com/lihuahaiyan/p/6196824.html

<input id="private_phone" name="private_phone" pattern="(d{11})|^((d{7,8})|(d{4}|d{3})-(d{7,8})|(d{4}|d{3})-(d{7,8})-(d{4}|d{3}|d{2}|d{1})|(d{7,8})-(d{4}|d{3}|d{2}|d{1}))$" required="required" type="text" />