From: computorist <travis.hume@...>
Date: 2008-06-19T02:23:48+09:00
Subject: Re: regex: splitting conditionally on |

On Jun 18, 12:35 am, Sebastian Hungerecker <sep...@googlemail.com>
wrote:
> 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
>
> str.split /\s*\|\s*(?=\s*\w+\s*=)/
> I don't know whether this exactly meets your requirement, but this will split
> only on |s that are followed by a word and a =. For your sample input that
> gives the desired result.
>
> HTH,
> Sebastian
> --
> Jabber: sep...@jabber.org
> ICQ: 205544826

This seems to work well.  Searching for what I want is better than
excluding the bits I don't want.

Thanks