Set `NA`

for the values of `x`

that contain a single repeating character and
no other characters.

## Arguments

- x
A vector to check.

- n
The minimum number times a character must repeat. If 0, the default,
then any string of one character will be replaced with `NA`

. If greater
than 0, the string must contain greater than `n`

number of repetitions.

## Value

The vector `x`

with `NA`

replacing repeating character values.

## Details

Uses the regular expression `"^(.)\\1+$"`

.

## See also

Other counting wrappers:
`count_diff()`

,
`count_in()`

,
`count_na()`

,
`count_out()`

,
`na_in()`

,
`na_out()`

,
`prop_distinct()`

,
`prop_in()`

,
`prop_na()`

,
`prop_out()`

,
`what_in()`

,
`what_out()`

## Examples

```
na_rep(c("VT", "NH", "ZZ", "ME"))
#> [1] "VT" "NH" NA "ME"
```