# NOT RUN { fruit <- c("apple", "banana", "pear", "pinapple") str_subset(fruit, "a") str_which(fruit, "a") str_subset(fruit, "^a") str_subset(fruit, "a$") str_subset(fruit, "b") str_subset(fruit, "[aeiou]") # Returns elements that do NOT match str_subset(fruit, "^p", negate = TRUE) # Missings never match str_subset(c("a", NA, "b"), ".") str_which(c("a", NA, "b"), ".") # }
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