Description
Returns "true" if the provided argument str is a string containing only upper letters.
Parameters
Return Type
Boolean (true/false)
Examples
Example 1
wret = isUpper("FOOBAR");
print(wret);
Print true
Example 2
wret = isUpper("aAA2345f.FF");
print(wret);
Print false
Example 3
wret = isUpper("");
print(wret);
Print false
isUpper returns "false" if the character string str contains blanks or special characters or is a null string.
See also
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