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Changelog

Source: NEWS.md

checkstring (development version)

  • is_color_hex() validates CSS hex color strings (#RGB, #RGBA, #RRGGBB, #RRGGBBAA).
  • is_iso_date() and is_iso_datetime() validate ISO 8601 date and datetime strings with calendar correctness, including leap year handling.
  • is_mime() validates MIME type strings against the IANA-registered top-level types.

checkstring 0.1.0

CRAN release: 2026-03-05

  • Initial CRAN submission.