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From "Sebb (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LANG-1043) isAllUpperCase should only check Alpha characters
Date Thu, 09 Oct 2014 23:22:34 GMT

    [ https://issues.apache.org/jira/browse/LANG-1043?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14165974#comment-14165974
] 

Sebb commented on LANG-1043:
----------------------------

bq. it would be ... cheaper to have a regex check to replace current isAllUpperCase ...

Regexes are generally more expensive than simple character checks.

> isAllUpperCase should only check Alpha characters
> -------------------------------------------------
>
>                 Key: LANG-1043
>                 URL: https://issues.apache.org/jira/browse/LANG-1043
>             Project: Commons Lang
>          Issue Type: Improvement
>          Components: lang.*
>    Affects Versions: 3.3.2
>            Reporter: Frédéric JECKER
>             Fix For: Discussion
>
>         Attachments: LANG-1043.patch
>
>
> Currently, isAllUpperCase checks character by character if the current character is UpperCase
or not using Character.isUpperCase().
> The problem is that characters like spaces aren't considered as uppercase characters.
> IMHO, isAllUpperCase should only check the state of alpha characters so that :
> - StringUtils.isAllUpperCase("ABC DEF GHI") = true (false currently)
> - StringUtils.isAllUpperCase("ABC / DEF") = true (false currently)



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