Testing for a character and deleting it using xslt

This example is taken from an xslt document that was used to create Marc xml, so there is Marc metadata in here that is irrelevant to the xslt syntax.

<xsl:template match=”marc:datafield[@tag=’245′]”>
<xsl:variable name=”titleString”>
<xsl:value-of select=”child::marc:subfield[@code=’b’]”/>
<xsl:variable name=”lengthString” select=”string-length($titleString)”/>
<xsl:variable name=”lastChar” select=”substring($titleString,$lengthString – 1)”/>
<xsl:when test=”$lastChar = ‘ /’ “>
<xsl:variable name=”titleStringMod” select=”substring($titleString, 1, $lengthString – 1)”/>
<xsl:value-of select=”child::marc:subfield[@code=’a’]”/>: <xsl:value-of select=”$titleStringMod”/>
<xsl:otherwise><xsl:value-of select=”child::marc:subfield[@code=’a’]”/>: <xsl:value-of select=”$titleString”/>
<xsl:variable name=”string”>
<xsl:value-of select=”child::marc:subfield[@code=’h’]”/>
<xsl:variable name=”start”>
<xsl:value-of select=”substring-after($string,'[‘)”/>
<xsl:value-of select=”substring-before($start,’]’)”/>


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