StringIsNumber

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

Version 1.0.0.0 (597 Bytes)
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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

Zitieren als

Michael Robbins (2026). StringIsNumber (https://de.mathworks.com/matlabcentral/fileexchange/6283-stringisnumber), MATLAB Central File Exchange. Abgerufen .

Kategorien

Mehr zu Characters and Strings finden Sie in Help Center und MATLAB Answers

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Version Veröffentlicht Versionshinweise
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.