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Asked: 2026-05-11T15:37:16+00:00

How would I do substring(variable,1,1) between a-z or A-Z then do X else do

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How would I do ‘substring(variable,1,1) between a-z or A-Z’ then do X else do Y using XSLT? I know that one option would be using regex but I would expect there to be something that wasn’t quite so much overkill.

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  1. A simple XSLT 1.0 solution:

    This transformation:

    <xsl:stylesheet version='1.0'  xmlns:xsl='http://www.w3.org/1999/XSL/Transform'>  <xsl:output method='text'/>   <xsl:variable name='vLetters'   select=''ABCDEFGHIKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz''/>    <xsl:variable name='vText' select=''1Text''/>      <xsl:template match='/'>       <xsl:choose>         <xsl:when test=           'contains($vLetters, substring($vText,1,1))'>             Letter         </xsl:when>         <xsl:otherwise>           Not Letter         </xsl:otherwise>       </xsl:choose>     </xsl:template> </xsl:stylesheet>

    when applied on any XML document (not used), produces the wanted result:

          Not Letter

    Depending on the specific case one can add whatever processing is necessary to each of the two ‘clauses’ (<xsl:when> and <xsl:otherwise>) of the <xsl:choose> instruction.

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