The Pascal compiler company

• Pascal Compiler
• Web Programming
• About Irie Tools

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