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How to find out that some text starts with a number

File: Data.xml <?xml version="1.0" encoding="utf-8"?> <data>     <value>3aacc</value>     <value>9-12-45</value>     <value>Q6-88</value> </data> File: Transform.xslt <?xml version="1.0" encoding="utf-8"?> <xsl:stylesheet       version="1.0"       xmlns:xsl="http://www.w3.org/1999/XSL/Transform">     <xsl:template match="/">       <xsl:apply-templates select="//value"/>     </xsl:template>     <xsl:template match="value">       <Paragraph>         <xsl:value-of select="."/>         <xsl:if test="starts-with(translate(., '0123456789', '9999999999'), '9')">           <xsl:text> (the text starts with a number)</xsl:text>         </xsl:if>       </Paragraph>     </xsl:template> </xsl:stylesheet> Output: <?xml version="1.0" encoding="UTF-8"?><Paragraph>3aacc (the text starts with a number)</Paragraph><Paragraph>9-12-45 (the text starts with a number)</Paragraph><Paragraph>Q6-88</Paragraph>