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Posted to issues@struts.apache.org by "Martin Uhlir (JIRA)" <ji...@apache.org> on 2012/10/13 04:25:03 UTC
[jira] [Closed] (WW-3885) Invalid email address validation (client
side). EmailValidator regex implementation doesn't match documentation.
[ https://issues.apache.org/jira/browse/WW-3885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Martin Uhlir closed WW-3885.
----------------------------
> Invalid email address validation (client side). EmailValidator regex implementation doesn't match documentation.
> ----------------------------------------------------------------------------------------------------------------
>
> Key: WW-3885
> URL: https://issues.apache.org/jira/browse/WW-3885
> Project: Struts 2
> Issue Type: Bug
> Components: Core Interceptors, Documentation
> Affects Versions: 2.3.4.1
> Reporter: Martin Uhlir
> Assignee: Lukasz Lenart
> Labels: patch
> Fix For: 2.3.6
>
> Attachments: WW-3885-struts2-core.patch, WW-3885-xwork-core.patch
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> EmailValidator documentation specifies following regular expression to validate email addresses:
> {noformat}
> \\b(^[_A-Za-z0-9-]+(\\.[_A-Za-z0-9-]+)*@([A-Za-z0-9-])+((\\.com)|(\\.net)|(\\.org)|(\\.info)|(\\.edu)|(\\.mil)|(\\.gov)|(\\.biz)|(\\.ws)|(\\.us)|(\\.tv)|(\\.cc)|(\\.aero)|(\\.arpa)|(\\.coop)|(\\.int)|(\\.jobs)|(\\.museum)|(\\.name)|(\\.pro)|(\\.travel)|(\\.nato)|(\\..{2,3})|(\\..{2,3}\\..{2,3}))$)\\b
> {noformat}
> but the actual implementation uses following regular expression:
> {noformat}
> \\b(^['_A-Za-z0-9-]+(\\.['_A-Za-z0-9-]+)*@([A-Za-z0-9-])+(\\.[A-Za-z0-9-]+)*((\\.[A-Za-z0-9]{2,})|(\\.[A-Za-z0-9]{2,}\\.[A-Za-z0-9]{2,}))$)\\b
> {noformat}
> which is wrong, because this email address "aaa@aa.aaaaaaa" is being validated as a correct email address (I experience this issue in client side validation).
> The (more?) correct regular expression should be probably the one specified in the documentation, but care needs to be taken of the apostrophe for the front part of the email address as well. The resulting regular expression might be something like this:
> {noformat}
> \\b(^['_A-Za-z0-9-]+(\\.['_A-Za-z0-9-]+)*@([A-Za-z0-9-])+((\\.com)|(\\.net)|(\\.org)|(\\.info)|(\\.edu)|(\\.mil)|(\\.gov)|(\\.biz)|(\\.ws)|(\\.us)|(\\.tv)|(\\.cc)|(\\.aero)|(\\.arpa)|(\\.coop)|(\\.int)|(\\.jobs)|(\\.museum)|(\\.name)|(\\.pro)|(\\.travel)|(\\.nato)|(\\..{2,3})|(\\..{2,3}\\..{2,3}))$)\\b
> {noformat}
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