using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(?ms)\d+\/\d+\/\d+\s+\d+:\d+:\d+\.\d+\s\w+\s+(?<session_io>\d+)";
string input = @" 12/27/17
8:24:49.599 AM
1514363089599 Groupon I will do my best to help you, please tell me more about the issue you are having.
host =instance-1 source =/var/www/html/backend/log_chat/conversation.log
12/27/17
8:24:49.599 AM
1514363089599 user i need help
host =instance-1 source =/var/www/html/backend/log_chat/conversation.log
12/27/17
8:24:49.599 AM
1514363089599 Groupon Hello! Thank you for contacting Groupon
host =instance-1 source =/var/www/html/backend/log_chat/conversation.log";
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