removeCols: Remove columns from a data frame
In kikapp/kikapputils: Frequently Used Functions (one line, title case)

Description Usage Arguments Value Examples

Use regexp matching to remove columns from a data frame

1	removeCols(df, match_string)

`df`	is a data frame
`match_string`	is a string for grepl matching

.df with columns matched by .match_string removed

> test <- data.frame(x = c(1,2,3),
                     y = c(4,5,6),
                     xa = c(7,8,9),
                     apple = c(5,5,5))
> removeCols(test, "x")
  y apple
1 4     5
2 5     5
3 6     5
> removeCols(test, "x|a")
  y
1 4
2 5
3 6