using System;
using System.Text.RegularExpressions;
using System.Linq;
public class Test
{
	public static void Main()
	{
		var str  = "Bacon ipsum dolor amet **kevin kielbasa** pork chop picanha chuck, t-bone **brisket corned beef fatback hamburger cow** sirloin shank prosciutto shankle. T-bone pancetta ribeye **tongue** fatback drumstick frankfurter short ribs burgdoggen. **Tail cupim.**";
		var res = Regex.Split(str, @"(\*{2}.*?\*{2})", RegexOptions.Singleline)
			.Where(s=>!string.IsNullOrWhiteSpace(s));
		Console.WriteLine("\"{0}\"", string.Join("\"\n\"", res));
	}
}

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