[Bro-Dev] [JIRA] (BIT-758) New function split_esc

Seth Hall (JIRA) jira at bro-tracker.atlassian.net
Thu Nov 7 08:15:31 PST 2013

    [ https://bro-tracker.atlassian.net/browse/BIT-758?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14621#comment-14621 ] 

Seth Hall commented on BIT-758:

Couldn't you get the same functionality with one of the split functions using this pattern?  

> New function split_esc
> ----------------------
>                 Key: BIT-758
>                 URL: https://bro-tracker.atlassian.net/browse/BIT-758
>             Project: Bro Issue Tracker
>          Issue Type: New Feature
>          Components: Bro
>    Affects Versions: git/master
>            Reporter: Matthias Vallentin
> In the topic branch {{topic/matthias/split-escaped}}, I added new functionality to split strings that may contain an escaped split expression. E.g., now it would be possible to split strings of the form
> {noformat}
> a#b\#c#d
> {noformat}
> into {{[b\#c, d|a,]}}. This would otherwise not be possible, because one cannot perform a lookahead with Bro's regular expressions.
> I implemented this function as an utility function at the scripting layer, rather than adding a new BiF. Ideally, we'd enhance {{split_n}} with this ability and then propagate the changes through the respective {{split*}} functions. But before this happens, it makes probably more sense to address BIT-757 first.

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