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[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Efficient dictionary lookup
 As part of a small pilot project, I'm implementing a set of spelling normalization rules applied through XSLT 2.0 using Saxon 9. One operation that happens extremely frequently is a dictionary lookup; basically I'm checking a word form to see if it appears in a spell-checker dictionary. The dictionary currently consists of a whitespace-separated text string (although it could be formatted any way I choose), and I've been using fn:matches() and fn:contains() to check whether or not the form appears in the dictionary: <xsl:function name="f:wordExists" as="xs:boolean"> <xsl:param name="inString" as="xs:string"/> <xsl:value-of select="contains($dictModern, concat(' ', lower-case($inString), ' '))"/> </xsl:function> <xsl:function name="f:wordExists" as="xs:boolean"> <xsl:param name="inString" as="xs:string"/> <xsl:value-of select="matches($dictModern, concat('\s', $inString), '\s', 'i')"/> </xsl:function> Both options appear to be very costly in terms of time, and I'm wondering what the most efficient way to do this might be. Is there a faster way to do text lookups like this? Ultimately I guess I'll implement this as an external Java process, but for the moment I'm working with XSLT, and I'd like to get some speed improvement if I can. All help appreciated, Martin 
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