Regex split function,

I would like get the string in the formate of

2016-04-08 06:04:21 - elango - Comtag Added- Assigned to- sivaraman(E)- Email Notification Sent To karthik.47(E)- This is sample comtag for
esclation tsting

2016-04-08 06:08:37-sivaraman- Responded- Response Type:Executive Email Notification Sent To karthik.47(E)- This is for testing the edit loan

2016-04-08 06:22:24-Vinoth-Transferred To- sivaraman(E)- Response Type:Escalation Email Notification Sent To karthik.47(E)- Transfer to Siva

and store it in array using a Regex pattren, but i am getting the out put as,

""

2016-04-08 06:04:21

2016-04-08 06:04:21

- elango - Comtag Added- Assigned to- sivaraman(E)- Email Notification Sent To karthik.47(E)- This is sample comtag for
esclation tsting

2016-04-08 06:08:37

2016-04-08 06:08:37

-sivaraman- Responded- Response Type:Executive Email Notification Sent To karthik.47(E)- This is for testing the edit loan

2016-04-08 06:22:24

2016-04-08 06:22:24

-Vinoth-Transferred To- sivaraman(E)- Response Type:Escalation Email Notification Sent To karthik.47(E)- Transfer to Siva

 

My code,

 

class Program

{

static void Main(string[] args)

{

string comment;

comment = "2016-04-08 06:04:21 - elango - Comtag Added- Assigned to- sivaraman(E)- Email Notification Sent To karthik.47(E)- This is sample comtag for
esclation tsting
2016-04-08 06:08:37-sivaraman- Responded- Response Type:Executive Email Notification Sent To karthik.47(E)- This is for testing the edit loan
2016-04-08 06:22:24-Vinoth-Transferred To- sivaraman(E)- Response Type:Escalation Email Notification Sent To karthik.47(E)- Transfer to Siva";

comment = "
" + comment;

string pattern = @"((((
|
)|(
|
))\d{4}-\d{2}-\d{2}\s\d{2}:\d{2}:\d{2})[a-zA-Z\s.,0-9@#$%*():;""'/?!+=_-]*)";

string[] substrings = Regex.Split(comment, pattern, RegexOptions.Multiline);

foreach (var a in substrings)

{

Console.WriteLine(a);

}

Console.ReadLine();

}

}