正则验证

data() {
  let reg = /^[gG][a-zA-Z]{2}[0-9]{10}$/;
  let num = (rule, value, callback) => {
    if (value === "") {
      callback(new Error("请输入绑定码"));
    } else if (!reg.test(value)) {
      callback(new Error("绑定码格式错误"));
    } else {
      callback();
    }
  };
  return {
    dialogVisible:true,
    ruleForm: {
      name: '',
    },
    info:false,
    rules:{
      name:[
        { required: true, validator: num, trigger: 'change' },
      ]
    }
  }
},

实现的效果：