Internet Direct (Indy) Version 9.0.2 Beta
IsNumeric
Determines if a character is a numeric digit.

function IsNumeric(c: char): Boolean;
function IsNumeric(const AString: string): Boolean;
Parameters
const AString: string
Character to be examined.

Returns
Boolean - True if the character is a numeric digit.

Description
IsNumeric is a Boolean function that indicates if the character in c contains a numeric digit in the range '0'..'9'.