isSpace
Syntax
isSpace(X)
Arguments
X is a STRING scalar or vector.
Details
Check whether the string X consists of only space. Return “true” if all characters in X are space, “t” (tab), “r” (carriage return) or “n” (newline escape).
Examples
$ isSpace("hello world");
false
$ isSpace(" \t ");
true
$ isSpace(string());
false