[jira] [Commented] (TIKA-847) Add regular expression support to the MagicDetector

["Andrew Jackson (Commented) (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TIKA-847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13202883#comment-13202883 ] 

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

As far as I can tell, Lucene's FSM engine is so very new it is only in the v4 snapshot, so I would prefer it if we stuck to the built-in RegEx functionality for now and revisited this optimisation under a separate ticket, at least until Lucene 4 is released.

Is there anything [~pete.s.may] or I can do to help this issue along?
                
> 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
>         Attachments: regex_support.patch
>
>
> 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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