JCL Help:StrIsDigit@AnsiString

 JCL Help: StrIsDigit Function

JCL Functions

► JclAnsiStrings.pas Functions

[+] JclAnsiStrings.pas Functions

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Summary

Tests whether S contains only numerical characters.

Pascal

 function StrIsDigit(const S: string): Boolean;
function StrIsDigit(const S: AnsiString): Boolean;

Parameters

Parameters	Description
const S: string	The string to test

Return Value

If S contains only numerical characters the result is True, otherwise the result is False.

Description

StrConsistsOfNumberChars tests whether the supplied string consists only of numerical characters. That is, whether or not all individual characters come from the ['0'..'9'] set. The test does not include the decimal separator. To include it in the test use StrConsistsOfNumberChars instead.

See Also

StrIsAlpha StrIsAlphaNum StrConsistsOfNumberChars

About

Unit

JclAnsiStrings

Donator

Martin Kubecka

Notes

If S is an empty string the result is False.

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