using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"([0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})";
string input = @"
Starting Nmap 6.47 ( http://nmap.org ) at 2015-05-26 22:43 ric
Initiating ARP Ping Scan at 22:43
Scanning 254 hosts [1 port/host]
Completed ARP Ping Scan at 22:43, 10.61s elapsed (254 total hosts)
Initiating Parallel DNS resolution of 254 hosts. at 22:50
Completed Parallel DNS resolution of
254 hosts. at 22:50, 16.50s elapsed
Nmap scan report for 192.168.1.0 [host down]
Nmap scan report for 192.168.1.2 [host down]
Nmap scan report for 192.168.1.3 [host down]
Nmap scan report for 192.168.1.4 [host down]
Nmap scan report for 192.168.1.5 [host down]
Nmap scan report for 192.168.1.7 [host down]
Nmap scan report for 192.168.1.8 [host down]
Nmap scan report for 192.168.1.9 [host down]
Nmap scan report for 192.168.1.10 [host down]";
foreach (Match m in Regex.Matches(input, pattern))
{
Console.WriteLine("'{0}' found at index {1}.", m.Value, m.Index);
}
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for C#, please visit: https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex(v=vs.110).aspx