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Posted to issues@commons.apache.org by "yusw (JIRA)" <ji...@apache.org> on 2017/09/15 07:08:00 UTC

[jira] [Created] (LANG-1353) NumberUtils.isNumber bug

yusw created LANG-1353:
--------------------------

             Summary: 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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