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From Silvester Pozarnik <silves...@ko.no>
Subject Re: help needed - Regular Expressions
Date Thu, 01 Oct 2009 13:10:35 GMT
sebb skrev:
> On 22/09/2009, Barnabas Davoti <davotibarna@gmail.com> wrote:
>   
>> Noel O'Brien wrote:
>>
>>     
>>> Why not use the following XPath extractor instead:
>>> //select[@name="A"]/option/@value
>>>
>>>       
>>  That's a good news... I was wondering why should we use regular expressions
>> for extracting data from an XML document... of course as far as it's XML
>> (XHTML), but anyway in this case it's proper XML.
>>
>>  I guess xpath is not an option if the page is html (so not XML but SGML) or
>> the document is not well-formed XML.
>>     
>
> I don't think it's possible to do it with a single RE.
>
> However, one can use the RE extractor to extract the specific set of
> options into a variable, and then use the __regexFunction() to split
> the variable. But XPath is simpler.
>
> It might be useful to enhance the RE extractor to operate on a subset
> of the body...
>
>   
Jepp, XPath may work, but I am still interested in a template for 
looping thought the results of __regexFunction() as a second level 
looping because HTML codes are often not balanced, especially in tables.

BR
Silvester Pozarnik


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