IsNumeric Function

Determines if the characters are valid numeric digits.

Pascal

function IsNumeric(
    const AString: string
): Boolean; overload;

Parameters

Parameters	Description
AString	Characters to examine for valid numeric digits.

Returns

Boolean - True when the characters are valid numeric digits.

Description

IsNumeric is an overloaded Boolean function used to determine if the characters in AString are valid numeric digits. IsNumeric returns True when AString contains characters including:

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