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Posted to issues@commons.apache.org by "Sebb (JIRA)" <ji...@apache.org> on 2017/09/15 23:06:00 UTC
[jira] [Resolved] (LANG-1353) NumberUtils.isNumber bug
[ https://issues.apache.org/jira/browse/LANG-1353?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sebb resolved LANG-1353.
------------------------
Resolution: Not A Bug
The leading 0 means octal.
09 is not valid octal
> NumberUtils.isNumber bug
> ------------------------
>
> Key: LANG-1353
> URL: https://issues.apache.org/jira/browse/LANG-1353
> Project: Commons Lang
> Issue Type: Bug
> Components: lang.math.*
> Affects Versions: 3.6
> Reporter: yusw
> Priority: Critical
> Fix For: 3.7
>
>
> hi,I used to NumberUtils.isNumber()[version:3.6] find this error, this error is mainly caused by method isCreatable() in the 723 line of code。
> See below for details:
> String str = "0927";
> System.out.println(NumberUtils.isNumber(str));
> {color:red}//result:false{color}
> String str1 = "9027";
> System.out.println(NumberUtils.isNumber(str1));
> //result:true
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