Availability
This routine is available starting with 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