module Hizuke::DynamicPatternMatcher

def check_x_months_ago_pattern(text)
  if (match = text.match(X_MONTHS_AGO_PATTERN))
    months = match[1].to_i
    date = Date.today << months
    clean_text = text.gsub(match[0], '').strip
    return Result.new(clean_text, date)
  end
  nil
end