From: Robert Klemme <shortcutter@...>
Date: 2008-06-18T15:38:52+09:00
Subject: Re: regex: splitting conditionally on |

On 18.06.2008 00:04, computorist wrote:
> I'm parsing mediawiki markup and I'd like to split a multi-line string
> on | (vertical-bar), but only if it isn't contained w/in another
> pattern.
> 
> | name1 = value1
> | name2 = value2 | name3 = value3
> | name4 = [[foo|bar]]
> 
> I'd like String.split(/pattern/) to return ['name1 = value1','name2 =
> value2','name3 = value3','name4 = [[foo|bar]]']
> 
> I've working on a negative look-ahead pattern without success and my
> brain is tired.
> 
> Thanks for any suggestions

Without testing, something like this might work:

str.scan %r{
   (?: \[ [^\]]* \] | [^|] )+
}xm

Cheers

	robert