Subject: Re: [xsl] Finding first difference between 2 text strings From: David Carlisle <davidc@xxxxxxxxx> Date: Thu, 10 Sep 2009 17:30:39 +0100 |
> <xsl:function name="f:mismatch-position" as="xs:integer"> An alternative definition, that appears to give the same results is: <xsl:function name="f:mismatch2" as="xs:integer?"> <xsl:param name="a" as="xs:string" /> <xsl:param name="b" as="xs:string" /> <xsl:variable name="aa" select="translate($a,'.+*\{}[]','')"/> <xsl:variable name="bb" select="translate($b,'.+*\{}[]','')"/> <xsl:variable name="r" select="concat('^:',replace($bb,'.','($0'),replace($bb,'.',')?'),'.*')"/> <xsl:sequence select="1+string-length(replace(concat(':',$aa),$r,'$1'))"/> </xsl:function> If $b is long, this might stretch the capabilities of the regexp engine though.... David ________________________________________________________________________ The Numerical Algorithms Group Ltd is a company registered in England and Wales with company number 1249803. The registered office is: Wilkinson House, Jordan Hill Road, Oxford OX2 8DR, United Kingdom. This e-mail has been scanned for all viruses by Star. The service is powered by MessageLabs. ________________________________________________________________________
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