new Regex('^\\d+$') 3 : Regular Expression : Regular Expression C# Examples


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new Regex('^\\d+$') 3









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

public  class  MainClass{

      public  static  void  Main(){
                Regex  r  =  new  Regex("^\\d+$");
                
                
                string[]  ss  =  new  string[]  {  "123abc",  "abc123",  "123",  "abc",  "a123bc"  };

                foreach  (string  s  in  ss)
                      Console.WriteLine(r.IsMatch(s));
      }
}
    
   
  
   




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