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");
// output
false
isSpace(" \t ");
// output
true
isSpace(string());
// output
false