public void SplitIncludeDelimiters_Matches_Core_Split_With_Same_Option()
        {
            string input = "123xx456yy789";

            string[] delimiters = { "xx", "yy" };
            string[] expected   = { "123", "xx", "456", "yy", "789" };

            var coreSplit = RegexUtility.Split(input, delimiters, splitOptions: SplitOptions.IncludeDelimiters);
            var result    = RegexUtility.SplitIncludeDelimiters(input, delimiters);

            result.ShouldBe(coreSplit);
            result.ShouldBe(expected);
        }