using System;
using System.Text.RegularExpressions;
public class EntryPoint
{
static void Main( string[] args ) {
// Create regex to search for IP address pattern.
string pattern = @"(?<part1>[01]?\d\d?|2[0-4]\d|25[0-5])\." +
@"(?<part2>[01]?\d\d?|2[0-4]\d|25[0-5])\." +
@"(?<part3>[01]?\d\d?|2[0-4]\d|25[0-5])\." +
@"(?<part4>[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:" );
Console.WriteLine( "\tPart 1: {0}",
match.Groups["part1"] );
Console.WriteLine( "\tPart 2: {0}",
match.Groups["part2"] );
Console.WriteLine( "\tPart 3: {0}",
match.Groups["part3"] );
Console.WriteLine( "\tPart 4: {0}",
match.Groups["part4"] );
match = match.NextMatch();
}
}
}
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