使用正则验证userName

练习中,使用正则让userName必须为1到3位,否则显示格式不正确!

rules: [
                {
                  required: true,
                  message: formatMessage({ id: 'validation.userName.required' }),
                },
                {                  
                  pattern: /^\d{1,3}$/,
                  message: formatMessage({ id: 'validation.userName.wrong-format' }),                
                },
              ],

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转载自www.cnblogs.com/qingshanyici/p/10096146.html