[jira] [Commented] (OPENNLP-1266) Limit normalization regexes in UrlCharSequenceNormalizer

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/OPENNLP-1266?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17514077#comment-17514077 ] 

ASF GitHub Bot commented on OPENNLP-1266:
-----------------------------------------

jzonthemtn commented on pull request #355:
URL: https://github.com/apache/opennlp/pull/355#issuecomment-1081851392


   The previously referenced PR #399 was merged. Since this PR has been open for some time without updates I am going to close it. If there is a need to reopen it please feel free to do so.


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> Limit normalization regexes in UrlCharSequenceNormalizer
> --------------------------------------------------------
>
>                 Key: OPENNLP-1266
>                 URL: https://issues.apache.org/jira/browse/OPENNLP-1266
>             Project: OpenNLP
>          Issue Type: Task
>            Reporter: Tim Allison
>            Assignee: Tim Allison
>            Priority: Major
>
> The {{MAIL_REGEX}} in UrlCharSequenceNormalizer is unbounded and requires backtracking. In rare cases, this can cause eye-opening performance costs.
>  
> I tested the other regexes in the other normalizers.  I could be wrong, but they don't appear to require backtracking, and there are no surprising performance costs.



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