StringIsNumber

Version 1.0.0.0 (597 octets) par Michael Robbins
STRINGISNUMBER returns 1 if the input string contains only a number and otherwise a zero.
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Mise à jour 22 nov. 2004

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STRINGISNUMBER returns 1 if the input string contains only a number and otherwise a zero

Created as an example for the thread "How to determine if an inputfield contains chars or numbers ?"

USAGE:
>> StringIsNumber('aseea')
ans = 0
>> StringIsNumber('333')
ans = 1
>> StringIsNumber('333.123')
ans = 1
>> StringIsNumber('.123')
ans = 1
>> StringIsNumber('0.123')
ans = 1
>> StringIsNumber('0.123a')
ans = 0

IT'S NOT FANCY BUT IT WORKS

Citation pour cette source

Michael Robbins (2026). StringIsNumber (https://fr.mathworks.com/matlabcentral/fileexchange/6283-stringisnumber), MATLAB Central File Exchange. Extrait(e) le .

Compatibilité avec les versions de MATLAB
Créé avec R14SP1
Compatible avec toutes les versions
Plateformes compatibles
Windows macOS Linux
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Version Publié le Notes de version
1.0.0.0

Digits followed by a period but no more digits is now considered a number.

A single period is no longer considered a number.

Vector inputs and outputs are supported.