To cite package ‘fastmatch’ in publications use:

Urbanek S (2026). fastmatch: Fast 'match()' Function. R package version 1.1-8, https://github.com/s-u/fastmatch.

Corresponding BibTeX entry:

  @Manual{,
    title = {fastmatch: Fast 'match()' Function},
    author = {Simon Urbanek},
    year = {2026},
    note = {R package version 1.1-8},
    url = {https://github.com/s-u/fastmatch},
  }