C#Regex基礎 \W檢測是否含有特殊符號

標籤：

1 代碼

 

 1 \W檢測是否含有特殊符號 2  3  4 using System; 5 using System.Collections.Generic; 6 using System.Linq; 7 using System.Net; 8 using System.Text; 9 using System.Text.RegularExpressions;10 using System.Threading.Tasks;11 12 namespace ConsoleApplication713 {14     class Program15     {16         static void Main(string[] args)17         {18                                       //不寫@，報錯19             string regularExpression = @"\W";20             Regex rg = new Regex(regularExpression);21 22             string [] contents = { @"[email protected]@@", "1234", "a3bb33345", "a321b3" };23             for (int i = 0; i < contents.Length; i++)24             {25                 if(rg.IsMatch(contents[i]))26                 {27                     Console.WriteLine(contents[i]+"符合Regex");28                 }29                 else30                 {31                     Console.WriteLine(contents[i] + "不符合Regex");32 33                 }34             }35 36             Console.ReadKey();37         }38     }39 }

 

 

 

2 效果

\W檢測是否含有特殊符號


using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;

namespace ConsoleApplication7
{
    class Program
    {
        static void Main(string[] args)
        {
                                      //不寫@，報錯
            string regularExpression = @"\W";
            Regex rg = new Regex(regularExpression);

            string [] contents = { @"[email protected]@@", "1234", "a3bb33345", "a321b3" };
            for (int i = 0; i < contents.Length; i++)
            {
                if(rg.IsMatch(contents[i]))
                {
                    Console.WriteLine(contents[i]+"符合Regex");
                }
                else
                {
                    Console.WriteLine(contents[i] + "不符合Regex");

                }
            }

            Console.ReadKey();
        }
    }
}

C#Regex基礎 \W檢測是否含有特殊符號