str_detect question

hi I want to make sure this code below is filtering only for "size" where there are 3 alphabetical letters: (ABC, CHA, AJI) ... "A3Z' and " 44k" etc are gone. thank you ! <3

data %>% filter(str_detrect(size, pattern = "[:alpha:]{3}"))

It would work. You had str_detrect instead of str_detect


data <- tibble(size =  c("ABC", "CHA", "AJI", "A3Z", "44k"))

data %>% 
  filter(str_detect(size, pattern = "[:alpha:]{3}"))

# A tibble: 3 x 1
1 ABC  
2 CHA  
3 AJI 
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