手机号正则

          getCode(){
                    this.form.code = ''
                    const regex = /^(13[0-9]{9})|(15[0-9]{9})|(17[0-9]{9})|(18[0-9]{9})|(19[0-9]{9})$/;
                    if (regex.test(this.form.phone)) {
                        this.msgFlag = false
                        this.form.code = (Math.random()*1000000).toFixed(0)
                    }else{
                        this.msgFlag = true
                    }
                },
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