Tests whether strings consist of only white space.
USAGE:
is.all.white(x, empty=T)
REQUIRED ARGUMENTS:
x
character vector or
bdCharacter.
OPTIONAL ARGUMENTS:
empty
logical flag: if
TRUE, the empty string ("") is considered
white space.
VALUE:
logical vector or
bdLogical of the same length as
x,
whose i'th element
is
TRUE if string
x[i] consists
of only white space. This is defined as any combination of spaces and/or
tabs.
SEE ALSO:
,
,
.
EXAMPLES:
str <- c("some string", " \t ", "")
is.all.white(str)
# Prints:
# [1] F T T
is.all.white(str, empty=F)
# Prints:
# [1] F T F