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