using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(Source_addresses:(?:.|\n)*?Applications:.*\n)";
string input = @"Policy name: example-3 (lf-csd) (LINE 29907)
Description: CHANGE00001
Destination_addresses (8):
10.0.0.1/32 ( 10.0.0.1-lk-3r53) ( 3125)
10.0.0.8/32 ( 10.0.0.8-test13) ( 3157)
10.0.0.3/32 ( 10.0.0.3-gdgsd-cd) ( 2806)
10.0.0.9/32 ( 10.0.0.9-fd-fdsb) ( 3123)
Destination_address_sets (0):
Source_addresses:
10.0.0.7/32 ( 10.0.0.7-IR) ( 5989)
Applications: tcp3389
Then: permit
Policy name: example-4 (lfs-csd) (LINE 29907)
Description: CHANGE00002
Destination_addresses (3):
10.0.0.6/32 ( 10.0.0.1-lk-3r53) ( 3125)
10.0.0.2/32 ( 10.0.0.8-test13) ( 3157)
10.0.0.53/32 ( 10.0.0.3-gdgsd-cd) ( 2806)
10.0.0.94/32 ( 10.0.0.9-fd-fdsb) ( 3123)
Destination_address_sets (0):
Source_addresses:
10.0.0.53/32 ( 10.0.0.52-IR) ( 5989)
Applications: tcp53
Then: permit";
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