def all_keys_matching(asset_name)
      assets.keys.map { |k| /(#{asset_name})/.match(k.to_s) }.compact
    end
def all_keys_matching(asset_name)
      assets.keys.map { |k| /(#{asset_name})/.match(k.to_s) }.compact
    end
Internal: Find all potential asset keys matching the given asset name.

 Returns an array of MatchData objects for keys matching the asset name.