> For the complete documentation index, see [llms.txt](https://hh-specs.handhistory.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hh-specs.handhistory.org/string-formats.md).

# String Formats

- [version\_string](https://hh-specs.handhistory.org/string-formats/less-than-version_obj-greater-than.md): The version string consisting of three parts.
- [card\_string](https://hh-specs.handhistory.org/string-formats/card.md): The definition of a card.