Topic Path: Symbol Reference > Functions > IsNumeric Function (Char)
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IsNumeric Function
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Determines if the character is a valid numeric digit.

File

IdGlobal

Pascal
function IsNumeric(
    AChar: Char
): Boolean; overload;
Parameters
Parameters 
Description 
AChar 
Character to examine for a valid numeric digit. 
Returns

Boolean - True when the character is a valid numeric digit.

Description

IsNumeric is an overloaded Boolean function used to determine if the character in AChar is a valid numeric digit. IsNumeric returns True when Achar contains one of the following characters: 

 

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See Also
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