func validate()

in main.go [266:273]

• 7 lines of code
• 3 McCabe index (conditional complexity)

func validate(in configInput) error {
	re := regexp.MustCompile(`^[a-zA-Z][a-zA-Z0-9-]{0,63}$`)
	if in.configMesh != "" && !re.MatchString(in.configMesh) {
		return fmt.Errorf("config-mesh may only contain letters, numbers, and '-'. It must begin with a letter and must not exceed 64 characters in length")
	}

	return nil
}