DataGrids

var strings = File.ReadLines(Path.Combine(Path.GetDirectoryName(Path.GetDirectoryName (Util.CurrentQueryPath)),"..","day5.txt")); // part 1 var regexVowels = new Regex(@"(.*[aeiou].*){3,}", RegexOptions.IgnoreCase); var regexDoubled = new Regex(@"(.)\1", RegexOptions.IgnoreCase); var regexExclude = new Regex(@"(ab|cd|pq|xy)", RegexOptions.IgnoreCase); strings.Where (s => regexVowels.IsMatch(s) && regexDoubled.IsMatch(s) && !regexExclude.IsMatch(s)).Count().Dump(); // part 2 var regex1 = new Regex(@"(.{2}).*\1", RegexOptions.IgnoreCase); var regex2 = new Regex(@"(.).\1", RegexOptions.IgnoreCase); strings.Where (s => regex1.IsMatch(s) && regex2.IsMatch(s)).Count().Dump();;