Note that the date-time processing functions in stringx are a work in progress. Feature requests/comments/remarks are welcome, see

0.2.8 (2024-04-09)#

0.2.7 (2024-04-05)#

  • [BUGFIX] Fixed failing checks/tests due to some updates in R.

0.2.6 (2023-11-30)#

  • [BACKWARD INCOMPATIBILITY] strptime fills missing fields based on today’s midnight, due to a change in stringi-1.8.1.

  • [BUGFIX] #13: Subtracting of objects of class POSIXxt resulted in an error.

0.2.5 (2023-05-21)#

0.2.4 (2022-10-27)#

0.2.3 (2022-10-13)#

  • [BUGFIX] Fixed failing checks/tests due to some updates in R.

0.2.2 (2021-09-03)#

0.2.1 (2021-08-27)#

  • [BACKWARD INCOMPATIBILITY, BUGFIX] #7: Dates without times are now always treated as being at midnight in the local (default) time zone.

  • [BACKWARD INCOMPATIBILITY] Date-time functions now yield objects of class POSIXxt, which extend upon POSIXct (and allow for custom formatting etc.).

  • [BACKWARD INCOMPATIBILITY, BUGFIX] #7: strftime uses the tzone attribute by default.

  • [NEW FEATURE] Added functions: as.POSIXxt, is.POSIXxt, Sys.time, ISOdatetime, ISOdate, Ops.POSIXxt, c.POSIXxt, rep.POSIXxt, seq.POSIXxt.

0.1.3 (2021-08-05)#

  • [BUGFIX] #4: Fixed failing check with ICU 55.

  • [BUGFIX] #5: Fixed failing check under POSIX/C locale.

0.1.2 (2021-07-27)#

  • First CRAN release.

0.1.1 (2021-07-15)#

  • [GENERAL] On-line manual is now available.

  • [GENERAL] Using realtest for documenting base R behaviour, unit testing, and desired outcomes.

  • [NEW FEATURE] Added constants: letters_greek, digits_hex, etc.

  • [NEW FEATURE] Added functions and operators: strcat, %x+%, %x*%, chartr2, strtrans, printf, xtfrm2, strftime, strptime, strcoll, %x==%, %x!=%, %x<%, %x<=%, %x>%, %x>=%, substrl, substrl<-, sub2, gsub2, grepl2, grepv2, grepv2<-, regexpr2, gregexpr2, regexec2, gregexec2, gsubstrl, gsubstrl<-, gsubstr, gsubstr<-, regextr2, regextr2<-, gregextr2, gregextr2<-.

  • [NEW FEATURE] Rewritten functions: paste, paste0, strrep, chartr, tolower, toupper, casefold, sprintf, strftime, strptime, nchar, nzchar, strtrim, trimws, startsWith, endsWith, sort, strwrap, substr, substring, substr<-, substring<-, strsplit, sub, gsub, grep, grepl, regexpr, gregexpr, regexec, gregexec.

0.0.0 (2021-05-07)#

  • The stringx project has been started.