Remove repeated character elements

Set NA for the values of x that contain a single repeating character and no other characters.

na_rep(x, n = 0)

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"