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From "Sebb (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (NET-526) Avoid greedy matches within a regex
Date Thu, 20 Feb 2014 14:43:19 GMT

     [ https://issues.apache.org/jira/browse/NET-526?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sebb resolved NET-526.
----------------------

       Resolution: Fixed
    Fix Version/s: 3.4

URL: http://svn.apache.org/r1570207
Log:
NET-526 Avoid greedy matches within a regex

Modified:
    commons/proper/net/trunk/src/changes/changes.xml
    commons/proper/net/trunk/src/main/java/org/apache/commons/net/ftp/parser/NetwareFTPEntryParser.java
    commons/proper/net/trunk/src/main/java/org/apache/commons/net/ftp/parser/VMSFTPEntryParser.java
    commons/proper/net/trunk/src/main/java/org/apache/commons/net/ftp/parser/VMSVersioningFTPEntryParser.java


> Avoid greedy matches within a regex
> -----------------------------------
>
>                 Key: NET-526
>                 URL: https://issues.apache.org/jira/browse/NET-526
>             Project: Commons Net
>          Issue Type: Improvement
>            Reporter: Sebb
>             Fix For: 3.4
>
>
> Some of the FTP directory parsers use greedy qualifiers - ".*" - within a regex.
> This can be expensive, as it may require backtracking.
> It's usually better to use a reluctant qualifier - e.g. ".*?" - except at the end of
an RE.



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