Splitting strings

String Manipulation with stringr in R

Charlotte Wickham

Assistant Professor at Oregon State University

str_split()

"Tom & Jerry"

"Tom & Jerry"

str_split(string = "Tom & Jerry", pattern = " & ")

[[1]]
"Tom"   "Jerry"

str_split("Alvin & Simon & Theodore", pattern = " & ")

[[1]]
"Alvin"    "Simon"    "Theodore"

str_split("Alvin & Simon & Theodore", pattern = " & ", n = 2)

[[1]]
"Alvin"            "Simon & Theodore"

chars <- c("Tom & Jerry", 
           "Alvin & Simon & Theodore")

str_split(chars, pattern = " & ")

[[1]]
"Tom" "Jerry"
[[2]]
"Alvin" "Simon" "Theodore"

chars <- c("Tom & Jerry", 
           "Alvin & Simon & Theodore")

str_split(chars, pattern = " & ", simplify = TRUE)

     [,1]    [,2]    [,3]      
[1,] "Tom"   "Jerry" ""        
[2,] "Alvin" "Simon" "Theodore"

chars <- c("Tom & Jerry", 
           "Alvin & Simon & Theodore")

split_chars <- str_split(chars, pattern = " & ")

split_chars

[[1]]
"Tom"   "Jerry"
[[2]]
"Alvin"    "Simon"    "Theodore"

lapply(split_chars, length)

[[1]]
2
[[2]]
3

String Manipulation with stringr in R