正则手机号

/*
 *获取短信验证码
 */ 
    getCodenumber() {
      if(this.phoneRight) {
        let countdown = 60;
        document.querySelector(".btnCode").setAttribute("disabled",true)
        function count() {
          if(countdown == 0) {
            clearInterval(t)
            document.querySelector(".btnCode").removeAttribute("disabled")
            document.querySelector(".btnCode").innerHTML = "重新获取"
            return false
          }else{
            countdown--
            document.querySelector(".btnCode").innerHTML = ‘已发送‘ +countdown + "s"
          }
        }
         this.t = setInterval(function() {
          count()
        },1000)
        API.common.regPhone({
          "phoneNum": this.phone,
        }).then((res) => {
          
          if(res.code == "0") {
            document.querySelector(".codeTips").innerHTML = "验证码已发送到您的手机上，有效时间为30分钟，请及时收查。"
          }else {
            alert(res)
          }
          console.log(res)
        }).catch((error) => {
          console.log(error)
        })
      }else {
        this.$message.error(‘请输入手机号‘)
      }
    }, 
    /*
    *正则匹配手机号格式
    */ 
    checkMobile(sMobile) {
      if(!(/0?(13|14|15|17|18|19)[0-9]{9}/.test(sMobile))){ 
        this.codeTips = ‘请输入正确的手机号!‘
        this.phoneRight = false
        return false; 
      } else{
        this.phoneRight = true
      }
    },