Get Group in a match : Regex Group : Regular Expression C# Examples

    
using  System;
using  System.Text.RegularExpressions;

public  class  EntryPoint
{
        static  void  Main(  string[]  args  )  {
                //  Create  regex  to  search  for  IP  address  pattern.
                string  pattern  =  @"([01]?\d\d?|2[0-4]\d|25[0-5])\."  +
                                                  @"([01]?\d\d?|2[0-4]\d|25[0-5])\."  +
                                                  @"([01]?\d\d?|2[0-4]\d|25[0-5])\."  +
                                                  @"([01]?\d\d?|2[0-4]\d|25[0-5])";
                Regex  regex  =  new  Regex(  pattern  );
                Match  match  =  regex.Match(  "192.168.169.1"  );
                while(  match.Success  )  {
                        Console.WriteLine(  "IP  Address  found  at  {0}  with  "  +
                                                              "value  of  {1}",
                                                              match.Index,
                                                              match.Value  );
                        Console.WriteLine(  "Groups  are:"  );
                        foreach(  Group  g  in  match.Groups  )  {
                                Console.WriteLine(  "\t{0}  at  {1}",
                                                                      g.Value,
                                                                      g.Index  );
                        }

                        match  =  match.NextMatch();
                }
                
        }
}