Resolve day 5

05/script.rb

@@ -0,0 +1,22 @@
+#!/usr/bin/env ruby
+
+require_relative '../common'
+
+def part1(input)
+  input.select do |string|
+    string.count('aeiou') >= 3 && string.match?(/(.)\1/) && !string.match?(/ab|cd|pq|xy/)
+  end.size
+end
+
+def part2(input)
+  input.select do |string|
+    string.match?(/(..).*\1/) && string.match?(/(.).\1/)
+  end.size
+end
+
+input = Input.new(__dir__).readlines
+
+puts "=== Part 1 ==="
+puts part1(input)
+puts "=== Part 2 ==="
+puts part2(input)