class String
  def scan_then_inject
    scan(/\w+=\w+/).inject({}) { |h,opt| kv = opt.split('='); h[kv.first] = kv.last; h }
  end

  def scan_groups_then_inject
    scan(/\w+=\w+/).inject({}) { |h,opt| kv = opt.split('='); h[kv.first] = kv.last; h }
  end

  def scan_then_splat_hash
    Hash[*scan(/(\w+)=(\w+)/).flatten]
  end

  def split_then_splat_hash
    Hash[*split(/&|=/)]
  end
end