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From "Andrew Jackson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TIKA-847) Add regular expression support to the MagicDetector
Date Tue, 17 Jan 2012 11:10:39 GMT

    [ https://issues.apache.org/jira/browse/TIKA-847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13187587#comment-13187587
] 

Andrew Jackson commented on TIKA-847:
-------------------------------------

Under TIKA-86, @kkrugler suggested we use the Lucene FSM RegEx engine (see https://issues.apache.org/jira/browse/LUCENE-1606
and http://search-lucene.com/jd/lucene/org/apache/lucene/search/RegexpQuery.html). However,
I believe this code is not yet in a stable Lucene version (4.0-SNAPSHOT only) and so would
rather we defer that optimisation to a later date (under a separate ticket).
                
> Add regular expression support to the MagicDetector
> ---------------------------------------------------
>
>                 Key: TIKA-847
>                 URL: https://issues.apache.org/jira/browse/TIKA-847
>             Project: Tika
>          Issue Type: New Feature
>          Components: mime
>    Affects Versions: 1.0
>            Reporter: Andrew Jackson
>              Labels: detection, format
>
> Following on from TIKA-86, we would like to add support for regular expressions to the
MagicDetector. This would allow more signatures to be re-used from more sources (e.g. the
file(1) command). As part of the SCAPE Project, we have added this functionality to our own
Tika branch (e.g. https://github.com/openplanets/tika/commit/b8de9e77c8b432788e3f73a4dbccca8ea044b503)
and are working to tidy this up to make a clean patch we can submit here.
> BTW, are there any patch submission guidelines or coding standards we should check our
work against first?

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