ma_chaine <- "Hello work !"
ma_chaine_trans <- ma_chaine |> stringr::str_to_upper()Introduction to stringr
The package stringr is useful for playing with strings.
How to upper string
How to extract substring
ma_chaine <- "Il fait beau et chaud aujourd'hui"
ma_chaine_extrait <- ma_chaine |> stringr::str_extract(pattern = "[a-z]{4} et ")