用来拆分字符串
strsplit(a, "b")
- 通过指定分隔符对字符串进行拆分
- a 为字符串向量,b 为用来拆分的分隔符号
- 分割后的字符串不显示用来拆分的字符串
- 整个向量拆分的结果为一个列表,其中的每个元素为一个字符串向量,其由对应位置的字符串拆分而来
> aa <- strsplit(c("a","abc","abbc","abbbc","abbccbc"), "b")
> aa
[[1]]
[1] "a"
[[2]]
[1] "a" "c"
[[3]]
[1] "a" "" "c"
[[4]]
[1] "a" "" "" "c"
[[5]]
[1] "a" "" "cc" "c"
> class(aa)
[1] "list"











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