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From "yusw (JIRA)" <j...@apache.org>
Subject [jira] [Created] (LANG-1216) version3.5 org.apache.commons.lang3.math.NumberUtils.isNumber bug
Date Fri, 08 Apr 2016 08:13:25 GMT
yusw created LANG-1216:
--------------------------

             Summary: version3.5 org.apache.commons.lang3.math.NumberUtils.isNumber bug
                 Key: LANG-1216
                 URL: https://issues.apache.org/jira/browse/LANG-1216
             Project: Commons Lang
          Issue Type: Bug
    Affects Versions: 3.4
            Reporter: yusw


I found that when using NumberUtils【org.apache.commons.lang3.math.NumberUtils.isNumber(version3.4)】
isNumber method the following phenomenon, 
when the parameter is 1.0 is true, but when the parameter is 0.1 is displayed is false.
When I use 0.1 as the parameter tuning isNumber method, 
view the source code in the method of the method of line 1370 discovered a problem.
When the analytical parameter is ". ", this time the chars [I] value is 46, direct return
false.
I think to do so is not very reasonable, please give me your guidance.



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