【校验】8 校验格式错误，仅支持输入纯数字、字母以及pattern正则简洁写法

<template>
  <div>
    <!-- <my-table :data="dataForm3">
      <el-table-column label="商品" prop="name"></el-table-column>
      <el-table-column label="价格" prop="price"></el-table-column>
    </my-table> -->
    <el-form
      :inline="true"
      :model="formInline"
      class="demo-form-inline"
      ref="formInline"
      :rules="rules"
    >
      <el-form-item label="活动区域0" prop="name">
        <el-input v-model="formInline.name" placeholder="请输入"></el-input>
      </el-form-item>
      <el-form-item label="活动区域1" prop="where">
        <el-input v-model="formInline.where" placeholder="请输入"></el-input>
      </el-form-item>