[jira] [Commented] (TAP5-1933) Tapestry 5 email validator rules are not correct

["Ray Nicholus (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TAP5-1933?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13281196#comment-13281196 ] 

Ray Nicholus commented on TAP5-1933:
------------------------------------

We addressed this in our own project by using javax.mail's InternetAddress class to validate the email addresses.  We did have to manually check for addresses that end in quotes though since InternetAddress seems to think these are valid.  I'm guessing this is not an option for Tapestry as this would require Tap5 to depend on javax.mail.  

Another option for Tapestry would be to use the following regex pattern (lifted from regular-expressions.info):

[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?
                
> Tapestry 5 email validator rules are not correct
> ------------------------------------------------
>
>                 Key: TAP5-1933
>                 URL: https://issues.apache.org/jira/browse/TAP5-1933
>             Project: Tapestry 5
>          Issue Type: Bug
>          Components: tapestry-core
>    Affects Versions: 5.3.3
>            Reporter: Ray Nicholus
>            Priority: Minor
>              Labels: validation
>
> Examples of currently allowed (and invalid) addresses: 
>   accent char - époch@example.com 
>   '+' in domain - test@foo+example.com 
>   '/' in domain - test@example/com 
>   wrapped in single quotes - '[hidden email]' 

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