Check Character
Checks if character using
is.character(x)
chk_character(x, x_name = NULL) vld_character(x)
x |
The object to check. |
x_name |
A string of the name of object x or NULL. |
The chk_ function throws an informative error if the test fails.
The vld_ function returns a flag indicating whether the test was met.
vld_character: Validate Character
Other chk_typeof:
chk_character_or_factor(),
chk_double(),
chk_environment(),
chk_factor(),
chk_integer(),
chk_list(),
chk_logical()
# chk_character
chk_character("1")
try(chk_character(1))
# vld_character
vld_character("1")
vld_character(matrix("a"))
vld_character(character(0))
vld_character(NA_character_)
vld_character(1)
vld_character(TRUE)
vld_character(factor("text"))Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.