using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(\d{1,2}:\d{2}[ap]m\s–\s\d{1,2}:\d{2}[ap]m)(\D*(?:\d(?!\d?:\d{2}[ap]m\s)\D*)*)";
string input = @"1:19pm – 10:33pm ate tacos 10:35pm – 11:38pm 12:40am – 1:24am took a nap";
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