正则验证身份证号

 var regIdCard = /^(^[1-9]\d{7}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])\d{3}$)|(^[1-9]\d{5}[1-9]\d{3}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])((\d{4})|\d{3}[Xx])$)$/;

if (!regIdCard.test(wxb.that.data.idcard)){
wx.showToast({
image: '/img/kulian.png',
title: '请输入正确的身份证号',
      })
return false
    }