To cite package ‘checkstring’ in publications use:

Mücke M (2026). checkstring: Common String Format Validation. R package version 0.1.0.9000, https://github.com/m-muecke/checkstring.

Corresponding BibTeX entry:

  @Manual{,
    title = {checkstring: Common String Format Validation},
    author = {Maximilian Mücke},
    year = {2026},
    note = {R package version 0.1.0.9000},
    url = {https://github.com/m-muecke/checkstring},
  }