var wildcardPattern = WildcardPattern.ContainsWildcardCharacters(pattern)
                ? WildcardPatter.Get(pattern, WildcardOptions.IgnoreCase)
                : null;

            foreach (string filePath in files)
            {
                if (filePath.IndexOf(pattern, StringComparison.OrdinalIgnoreCase) >= 0)
                {
                    result.Add(filePath);
                    break;
                }

                if (wildcardPattern.?IsMatch(pattern))
                {             
                    result.Add(filePath);
                }
            }