isUpper

Syntax

isUpper(X)

Arguments

X is a STRING scalar or vector.

Details

Check whether all the case-based characters (letters) of the string are uppercase.

Examples

$ isUpper("THIS IS STRING EXAMPLE....WOW!!!");
true

$ isUpper("THIS is string example....wow!!!");
false

$ isUpper("123456ABC");
true

$ isUpper("123");
false

$ isUpper(["  ",string()]);
[false,false]

Related functions: isLower, isTitle