IsASCII Function

Determines if the byte value can be represented using characters from the US-ASCII character set.

Pascal

function IsASCII(
    const AByte: Byte
): Boolean; overload;

Parameters

Parameters	Description
AByte	Value to examine.

Returns

Boolean - True when the byte <= 7F Hex.

Description

IsASCII is an overloaded Boolean function used to determine if the Byte value in AByte can be represented using characters from the US-ASCII character set.

IsASCII returns True when AByte is less than or equal to the hex value 7F (Decimal 127).

Use the overloaded IsASCII function to determine if TIdBytes values can be represented in the US-ASCII character set.