Separate the header based on delimiters

separate_header(
x,
sep = "[_\\.]",
theme_fun = flextable::theme_booktabs,
...
)

## Arguments

x A flextable object Separator between columns. If character, sep is interpreted as a regular expression. The default value is a regular expression that matches any sequence of non-alphanumeric values. If numeric, sep is interpreted as character positions to split at. Positive values start at 1 at the far-left of the string; negative value start at -1 at the far-right of the string. The length of sep should be one less than into. deprecated, use set_flextable_defaults() instead. Passed to theme_fun

## Examples

iris %>%
as_flextable() %>%
#> col_keys: Sepal.Length, Sepal.Width, Petal.Length, Petal.Width, Species
#> 5          5.0         3.6          1.4         0.2  setosa`