function urlReg(url){
var zhengze = /[a-zA-Z0-9][-a-zA-Z0-9]{0,62}(\.[a-zA-Z0-9][-a-zA-Z0-9]{0,62})+\.?/g
var same =url.match(zhengze)
console.log(same)
if(same.indexOf('taobao.com')!==-1||same.indexOf('tmall.com')!==-1){
return true
}else{
return false
}
}
console.log(urlReg('http://tmall.com/dakfpaosjpoakgopajgpojgopsakjfgpoajhpoa'))
