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https://issues.apache.org/jira/browse/LANG-1644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17742417#comment-17742417
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Elliotte Rusty Harold commented on LANG-1644:
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change type to new feature
> Check if number is hexadecimal
> ------------------------------
>
> Key: LANG-1644
> URL: https://issues.apache.org/jira/browse/LANG-1644
> Project: Commons Lang
> Issue Type: Improvement
> Reporter: Arturo Bernal
> Priority: Minor
> Time Spent: 5h 10m
> Remaining Estimate: 0h
>
> IMO would be fine have a method that given a String tell you if is a valid
> hexadecimal number instead of try to create the number. should be valid:
>
> * 5D0
> * 0x7FFFFFFFFFFFFFFF
>
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