using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"\b(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\s*([\s\S]*)";
string input = @"Sep 13 08:36:37 192.168.75.254 %ASA-4-106023: Deny tcp src outside:144.5.5.255/
56607 dst inside:192.168.75.102/23 by access-group ""outside_access_in"" [0x0, 0x0]";
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