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https://issues.apache.org/jira/browse/TS-48?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12780301#action_12780301
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Andrew Hsu commented on TS-48:
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A useful comparison of regex features:
http://www.regular-expressions.info/refflavors.html
Although this is a bit old, still some useful performance numbers--especially
the "simple matches" at the bottom of the page:
http://www.boost.org/doc/libs/1_40_0/libs/regex/doc/gcc-performance.html
License looks good to me:
http://www.pcre.org/licence.txt
Besides, httpd uses it (when configured '--with-pcre'):
http://httpd.apache.org/docs/2.2/new_features_2_2.html
Thus far, PCRE looks favorable. Would be good to have a simple performance
test of current POSIX regex we are using vs PCRE to make sure latest version we
want to switch to is still good.
Cheers,
Andrew
> Change all regex code to use PCRE
> ---------------------------------
>
> Key: TS-48
> URL: https://issues.apache.org/jira/browse/TS-48
> Project: Traffic Server
> Issue Type: Improvement
> Components: Core
> Affects Versions: 2.0a
> Reporter: Leif Hedstrom
>
> We are adding some new regex stuff into TS 2.0, using PCRE, so we should
> examine all existing regex features, and unify on PCRE.
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