public override Statistic GetStatistics(StatisticType statisticType, string textToSearch)
        {
            Guard.IsNotNullOrEmpty(textToSearch, () => textToSearch);

            string match = statisticType.GetStringValue();

            var count = Regex.Matches(textToSearch, $"[{match}+]", RegexOptions.IgnoreCase).Count;

            return(new Statistic(statisticType, count));
        }