using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"\d{1,}[ ][A-Z][a-z]{2}[ ](?:\d{4}[ ]\d{2}[:]\d{2}|\d{2}[:]\d{2})[\s\S]*?(?:(?!\n\n)[\s\S])*?(?=\n\d{1,}[ ])|\d{1,}[ ][A-Z][a-z]{2}[ ](?:\d{4}[ ]\d{2}[:]\d{2}|\d{2}[:]\d{2}).*";
string input = @"...
...
15 Apr 2014 22:05 - id: content
15 Apr 2014 22:09 - id: content
15 Apr 2014 22:09 - id: content
with new line
16 Apr 2014 06:56 - id: content
with new line
with new line
16 Apr 2014 06:57 - id: content
16 Apr 2014 06:58 - id: content
...
...";
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