使用正则表达式分隔符将字符列分隔为两列

Usage

separate_dt( .data,separated_colname, into, sep = “[^[:alnum:]]+”, remove = TRUE )

df <- data.frame(x = c(NA, "a.b", "a.d", "b.c"))
df %>% separate_dt(x, c("A", "B"))
# equals to
df %>% separate_dt("x", c("A", "B"))
# If you just want the second variable:
df %>% separate_dt(x,into = c(NA,"B"))