react antd 正则校验

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<Form.Item label="数据库ip地址1" key="1">   {getFieldDecorator('note2', {     rules: [       { required: true, message: '请输入数据库ip地址' },       {         pattern: /^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])$/,         message: "格式不正确！"       }     ],     initialValue: this.state.currentData['ip'],   })(<Input disabled={this.state.handle} placeholder="请输入数据库ip地址" />)} </Form.Item>