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Re: Processing two documents, which order?

Subject: Re: Processing two documents, which order?
From: Wolfgang Laun <wolfgang.laun@xxxxxxxxx>
Date: Fri, 8 Apr 2011 13:46:54 +0200
Re:  Processing two documents
I've been using expressions such as

<xsl:variable name="prefix"    select='"(^|\W)"'/>
<xsl:variable name="suffix"    select='"($|\W)"'/>
<xsl:variable name="pattern"   select="concat($prefix,$property,$suffix)"/>

Notice that
a) the hyphen is included in the set of stoppers, and
b) that you have to handle the cases  0word$, \Wword$, ^word\W and
\Wword\W separately so as to not lose a character matching the \W.

I think that the hyphen can be excluded by a character class
subtraction, but I'll have to study the syntax some more.


On 8 April 2011 13:21, Dave Pawson <davep@xxxxxxxxxxxxx> wrote:
> On Fri, 08 Apr 2011 11:47:18 +0100
> David Carlisle <davidc@xxxxxxxxx> wrote:
>> On 08/04/2011 11:11, Dave Pawson wrote:
>> > I really couldn't contemplate writing such a regex to be honest
>> > David.
>> if you have a whitespace list of words then the regex is
>> string-join(tokenize($list,'\s+'),'|')
>> is that so hard to contemplate?
>> or you could, as Wolfgang just commented, try to give the regex
>> engine a helping hand by pre-optimizing that regex by pulling out
>> common prefixes.
>> David
> With Wolfgangs notes, I'm struggling with the regex for one.
>  <xsl:analyze-string select="."
>  regex="[^a-z]({$property})[\s.,&#x22;,&#x27;&lt;$]">
> Is currently missing >keyword ....
> and
> ... keyword<....
> Since checking for frisbee (where bee is the keyword)
> causes >bee .... to be missed.
> Ditto with the termination? I'm 'requiring'
> a termination, hence missing bee</element
> How to add ^ and $ to the start and termination classes?
> regards
> --
> regards
> --
> Dave Pawson
> http://www.dpawson.co.uk

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