returns the string between two identifiers

GetStringBetween

        private static string GetStringBetween(string source, string start, string end)
        {
            int startIndex = source.IndexOf(start, StringComparison.Ordinal) + start.Length;
            int endIndex = source.IndexOf(end, startIndex, StringComparison.Ordinal);
            int length = endIndex - startIndex;
            return source.Substring(startIndex, length);
        }