regularnumber.cs

简单的酒店管理系统 c# +9 SQLserver 2

using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;

namespace HotelManager.BLL
{
   public class RegularNumber
    {
       /// <summary>
       /// 数字验证
       /// </summary>
       /// <param name="strNumber">被验证信息</param>
       /// <returns></returns>
       public bool IsWholeNumber(string strNumber)
       {
           Regex notWholePattern = new Regex(@"^[-]?\d+[.]?\d*$");   
           return notWholePattern.IsMatch(strNumber,0);
       }

    }
}