Description
The islower function returns a value of type boolean, which indicates whether the parameter passed to it is a lowercase alphabetic character. If the parameter is a lowercase alphabetic character then the value true is returned, and if the parameter is not a lowercase alphabetic character then the value false is returned.
Parameter
The islower function's only parameter is an expression of char type.
Example
islower('a') returns true
islower('A') returns false
islower('1') returns false
islower('@') returns false
islower('_') returns false
Portability
Operating Systems: All
Standard Pascal: No