R stringr stringr-data 用于练习字符串操作的示例字符向量

sentences

fruit

words

length(sentences)
#> [1] 720
sentences[1:5]
#> [1] "The birch canoe slid on the smooth planks." 
#> [2] "Glue the sheet to the dark blue background."
#> [3] "It's easy to tell the depth of a well."     
#> [4] "These days a chicken leg is a rare dish."   
#> [5] "Rice is often served in round bowls."       

length(fruit)
#> [1] 80
fruit[1:5]
#> [1] "apple"       "apricot"     "avocado"     "banana"      "bell pepper"

length(words)
#> [1] 980
words[1:5]
#> [1] "a"        "able"     "about"    "absolute" "accept"