[jira] [Commented] (LANG-1205) NumberUtils.createNumber() behaves inconsistently with NumberUtils.isNumber()

["Gary Gregory (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LANG-1205?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15163855#comment-15163855 ] 

Gary Gregory commented on LANG-1205:
------------------------------------

Patches with unit tests are welcome! 

> NumberUtils.createNumber() behaves inconsistently with NumberUtils.isNumber()
> -----------------------------------------------------------------------------
>
>                 Key: LANG-1205
>                 URL: https://issues.apache.org/jira/browse/LANG-1205
>             Project: Commons Lang
>          Issue Type: Bug
>          Components: lang.math.*
>    Affects Versions: 3.1
>            Reporter: Daniel Brown
>
> The {{NumberUtils.createNumber()}} method fails to check for multiple trailing characters, and as a result, it returns a value even though {{NumberUtils.isNumber()}} indicates that it should not.  For example:
> {code}
> boolean isNumber = NumberUtils.isNumber("81.5514DD");   // returns false
> Number numValue = NumberUtils.createNumber("81.5514DD");  // returns a Double value, 81.5514
> {code}
> I would expect the {{createNumber()}} method to throw a {{NumberFormatException}} in this case.



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