Conris.Utility/Validate.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

using System;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Text.RegularExpressions;
using System.Net;

namespace Conris.Utility
{
    /// <summary>
    /// 验证类
    /// </summary>
    public class Validate
    {
        private static Regex RegNumber = new Regex("^[0-9]+$");
        private static Regex RegNumberSign = new Regex("^[+-]?[0-9]+$");
        private static Regex RegDecimal = new Regex("^[0-9]+[.]?[0-9]*$");
        private static Regex RegDecimalSign = new Regex("^[+-]?[0-9]+[.]?[0-9]+$"); //等价于^[+-]?\d+[.]?\d+$
        private static Regex RegCHZN = new Regex("[\u4e00-\u9fa5]");
        private static Regex RegCharOrNum = new Regex("^[A-Za-z0-9]+$");
        private static Regex RegURL = new Regex(@"^http://([\w-]+\.)+[\w-]+(/[\w-./?%&=]*)?$");

        public Validate() { }

        public static bool IsIPString(string s)
        {
            IPAddress ip;
            bool r = IPAddress.TryParse(s, out ip);
            return r;
        }

        /// <summary>
        /// method to validate an IP address
        /// using regular expressions. The pattern
        /// being used will validate an ip address
        /// with the range of 1.0.0.0 to 255.255.255.255
        /// </summary>
        /// <param name="addr">Address to validate</param>
        /// <returns></returns>
        public static bool IsValidIP(string addr)
        {
            //create our match pattern
            string pattern = @"^([1-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])(\.([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])){3}$";
            //create our Regular Expression object
            Regex check = new Regex(pattern);
            //boolean variable to hold the status
            bool valid = false;
            //check to make sure an ip address was provided
            if (addr == "")
            {
                //no address provided so return false
                valid = false;
            }
            else
            {
                //address provided so use the IsMatch Method
                //of the Regular Expression object
                valid = check.IsMatch(addr, 0);
            }