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edel rooster

Subject: REGEX in XSL
Author: edel rooster
Date: 28 Jan 2005 10:38 AM

Hi
I'm using the Apache XSLT processor Xalan to transform XML documents - unfortunately
I am restricted to this processor for various reasons but the main one is
that I am working with very large XML documents and it's seems to be the only processor
to be able to cope with huge documents.

Unfortunately Xalan implements Xpath 1.0 - one of my tasks involves flushing out
some unwanted data - I thought regular expressions could solve my problem until I realised
that only XPath 2.0 supports regexs.

I'm wondering if there is another way around this in Xpath 1.0??

Many thanks
Edel

Ivan Pedruzzi

Subject: REGEX in XSL
Author: Ivan Pedruzzi
Date: 28 Jan 2005 11:18 AM

Hi Edel,

Could you show us an example of input and the desired output?

Ivan

edel rooster

Subject: REGEX in XSL
Author: edel rooster
Date: 28 Jan 2005 11:26 AM

Sure...
<xsl:for-each select="TermList/Term">
<xsl:variable name="term">
<xsl:value-of select="String"/>
</xsl:variable>

Here I want to check if the $term contains (\w,\s) - i.e. a character, followed by a comma and a space.
If it doesn't then I want to output the $term
<variant value="{$term}"/>

</xsl:for-each>

Help much appreciated

Ivan Pedruzzi

Subject: REGEX in XSL
Author: Ivan Pedruzzi
Date: 28 Jan 2005 12:45 PM

If you running on XalanJ (with JVM 1.4 or above) You could use a java extension
Here is an example:

<?xml version='1.0'?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:java="http://xml.apache.org/xalan/java">

<xsl:template match="/">
<xsl:value-of select="java:replaceAll('aaaa', '[a-z]','Q') "/>
</xsl:template>
</xsl:stylesheet>

edel rooster

Subject: REGEX in XSL
Author: edel rooster
Date: 31 Jan 2005 04:42 AM

Sure...
<xsl:for-each select="TermList/Term">
<xsl:variable name="term">
<xsl:value-of select="String"/>
</xsl:variable>

Here I want to check if the $term contains (\w,\s) - i.e. a character, followed by a comma and a space.
If it doesn't then I want to output the $term
<variant value="{$term}"/>

</xsl:for-each>

Help much appreciated

Ivan Pedruzzi

Subject: REGEX in XSL
Author: Ivan Pedruzzi
Date: 31 Jan 2005 03:29 PM

<?xml version="1.0"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:java="http://xml.apache.org/xalan/java">

<xsl:template match="/">

<xsl:variable name="term" select="'a, '"/>

<xsl:if test="java:matches($term, '\w,\s')">
<xsl:value-of select="$term"/>
</xsl:if>

</xsl:template>
</xsl:stylesheet>

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