using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(?s)(?|([0-9]{1,2}h)[ ]*([0-9]{1,2}min)|([0-9]{1,2}h)()|()([0-9]{1,2}min)):\s*((?:.(?!(\dh\s\d{1,2}min|\dh|\d{1,2}min)))+)";
string input = @"1h 30min: Title
- Description Line 1
3h: SECOND TITLE
- Description Line 1
- Description Line 2
- Description Line 3
1h 14min: Title
- another Great one 42min: Title - Great Movie
- Description Line 2
- Description Line 3";
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