在R中,您可以使用strsplit
函数在分隔符(split
)上拆分向量,如下所示:
x <- "What is this? It's an onion. What! That's| Well Crazy."
unlist(strsplit(x, "[\?\.\!\|]", perl=TRUE))
## [1] "What is this" " It's an onion" " What" " That's"
## [5] " Well Crazy"
我想使用 R 保留分隔符(split
)。 因此,所需的输出将是:
## [1] "What is this?" " It's an onion." " What!" " That's|"
## [5] " Well Crazy."
您可以使用"(?<=DELIMITERS)"
:
unlist(strsplit(x, "(?<=[?.!|])", perl=TRUE))
## [1] "What is this?" " It's an onion." " What!" " That's|"
## [5] " Well Crazy.