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https://bro-tracker.atlassian.net/browse/BIT-1497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=22646#comment-22646
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Robin Sommer commented on BIT-1497:
-----------------------------------
Ah, I see the problem: you need to write it like this: {noformat} /[[:space:]]/
{noformat} (i.e., double brackets). These work only inside a character class
(which I believe is standard behavior).
> pattern [:space:] shortcut not matching as expected
> ---------------------------------------------------
>
> Key: BIT-1497
> URL: https://bro-tracker.atlassian.net/browse/BIT-1497
> Project: Bro Issue Tracker
> Issue Type: Problem
> Components: Bro
> Affects Versions: 2.4
> Environment: Running tests using Bro 2.4.1 (precompiled from
> http://download.opensuse.org/repositories/network:/bro/xUbuntu_14.10/) on
> Ubuntu 14.10.
> Running using a simple "/opt/bro/bin/bro myscript.bro" syntax.
> Reporter: Lloyd Brown
> Labels: pattern
> Attachments: patterns.space_shortcut.testcase.bro,
> patterns.space_shortcut.testcase.bro.output
>
>
> I'm trying to do some RegEx-like pattern matching of a data stream using Bro,
> and I'm finding that, at least some of the shortcuts, like '[:space:]' don't
> seem to act as expected.
> In short, I expected that '[:space:]' and '[ \f\n\r\t\v]' would be
> interchangeable, but that doesn't seem to be the case. I have not tested any
> other shortcuts like '[:alpha:]', '[:digit:]', etc. Just '[:space:]' so far.
> I will attach an example script, as well as a file containing the output I'm
> seeing.
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