Check if a character is a special character

Check if a character is a special character

Usage

is_special(ch)

Arguments

ch

A character string to check.

Value

A logical value indicating whether the character is a special character.

Examples

is_special("!") # TRUE
#> [1] TRUE
is_special("a") # FALSE
#> [1] FALSE
is_special("1") # FALSE
#> [1] FALSE
is_special(1) # FALSE
#> [1] FALSE
is_special("#") # TRUE
#> [1] TRUE