1. /^1(3|4|5|7|8|9)\d{9}$/
2. /^1[3456789]\d{9}$/
// 在表单rules中可以这样写规则验证
rules:[
  mobile: [
    {
       required: true,
         message: '请输入手机号',
         trigger: 'blur'
    },
    {
      required: true,
        pattern: /^1[3456789]\d{9}$/,
        message: '手机号格式不正确',
        trigger: 'blur'
    }
  ]
]