StringIsNumber

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

版本 1.0.0.0 (597 字节)
2.1K 次下载
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2004/11/22

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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

引用格式

Michael Robbins (2026). StringIsNumber (https://ww2.mathworks.cn/matlabcentral/fileexchange/6283-stringisnumber), MATLAB Central File Exchange. 检索时间: .

类别

在 Help Center 和 MATLAB Answers 中查找有关 Characters and Strings 的更多信息

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版本 已发布 发行说明
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.