using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(?<text>Hello world)";
string input = @"Mon Mar 19 20:16:27 2018 Info: Bounced: DCID 8413617 MID 19338947 - - ""Hello world"" From: <MariaDubois@example.com> To: <zecora@buttercupgames.com> RID 0 - 5.4.7 - Delivery expired (message too old) ('000', ['timeout']) ";
RegexOptions options = RegexOptions.Multiline;
foreach (Match m in Regex.Matches(input, pattern, options))
{
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