class Dependabot::Uv::Version

def initialize(version)
  raise Dependabot::BadRequirementError, "Malformed version string - string is nil" if version.nil?
  @version_string = version.to_s
  raise Dependabot::BadRequirementError, "Malformed version string - string is empty" if @version_string.empty?
  matches = ANCHORED_VERSION_PATTERN.match(@version_string.downcase)
  unless matches
    raise Dependabot::BadRequirementError,
          "Malformed version string - #{@version_string} does not match regex"
  end
  @epoch = matches["epoch"].to_i
  @release_segment = matches["release"]&.split(".")&.map(&:to_i) || []
  @pre = parse_letter_version(matches["pre_l"], matches["pre_n"])
  @post = parse_letter_version(matches["post_l"], matches["post_n1"] || matches["post_n2"])
  @dev = parse_letter_version(matches["dev_l"], matches["dev_n"])
  @local = parse_local_version(matches["local"])
  super(matches["release"] || "")
end