Availability
This routine is available since katl-commons 1.0 .
Syntax:
isUpper(str)
Description:
Returns true if the provided argument str is a string containing only upper letters.Parameters:
Parameter name | Type | Required | Description |
|---|---|---|---|
str | string | Yes | Specifies a character expression. |
Return type:
boolean (true/false)
Example:
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
Notes:
isUpper returns false if the character string str contains blanks or special characters or is a null string.
See also: