module Hizuke::DynamicPatternMatcher

def check_x_weeks_ago_pattern(text)
  if (match = text.match(X_WEEKS_AGO_PATTERN))
    weeks = match[1].to_i
    date = Date.today - (weeks * 7)
    clean_text = text.gsub(match[0], '').strip
    return Result.new(clean_text, date)
  end
  nil
end