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> library(lubridate)
> dmy('февраль 2016')
[1] NA
Warning message:
All formats failed to parse. No formats found.
>
> library(stringi)
> stri_datetime_parse('февраль 2016', format = "LLLL yyyy", locale = "ru_RU")
[1] "2016-02-15 23:57:56 MSK"
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> Sys.getlocale()
[1] "LC_CTYPE=en_US.UTF-8;LC_NUMERIC=C;LC_TIME=ru_RU.UTF-8;LC_COLLATE=en_US.UTF-8;LC_MONETARY=ru_RU.UTF-8;LC_MESSAGES=en_US.UTF-8;LC_PAPER=ru_RU.UTF-8;LC_NAME=C;LC_ADDRESS=C;LC_TELEPHONE=C;LC_MEASUREMENT=ru_RU.UTF-8;LC_IDENTIFICATION=C"
> Sys.getlocale(category = 'LC_TIME')
[1] "ru_RU.UTF-8"
> Sys.setlocale('LC_ALL', locale = 'en_US.UTF-8')
[1] "LC_CTYPE=en_US.UTF-8;LC_NUMERIC=C;LC_TIME=en_US.UTF-8;LC_COLLATE=en_US.UTF-8;LC_MONETARY=en_US.UTF-8;LC_MESSAGES=en_US.UTF-8;LC_PAPER=ru_RU.UTF-8;LC_NAME=C;LC_ADDRESS=C;LC_TELEPHONE=C;LC_MEASUREMENT=ru_RU.UTF-8;LC_IDENTIFICATION=C"
> Sys.getlocale(category = 'LC_TIME')
[1] "en_US.UTF-8"
> v <- 'November-30-2019'
> lubridate::mdy(v)
[1] "2019-11-30"
> strptime(v, '%B-%d-%Y')
[1] "2019-11-30 MSK"
> as.Date(v, '%B-%d-%Y')
[1] "2019-11-30"
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