XML Tutorial/XSLT stylesheet/translate

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>

Use translate to code a string

File: Data.xml
<?xml version="1.0" encoding="utf-8"?>
<text>test</text>
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="/">
      <Paragraph>
        <xsl:value-of select="//text"/>
      </Paragraph>
      <Paragraph>
        <xsl:value-of select="translate(//text,"egos","EGOS")"/>
      </Paragraph>
      <Paragraph>
        <xsl:value-of select="translate(//text,"se","d")"/>
      </Paragraph>
      <Paragraph>
        <xsl:value-of select="translate(//text,"gseo","bad")"/>
      </Paragraph>
      <Paragraph>
        <xsl:value-of select="translate(//text,"gseg","bksC")"/>
      </Paragraph>
    </xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?><Paragraph>test</Paragraph><Paragraph>tESt</Paragraph><Paragraph>tdt</Paragraph><Paragraph>tdat</Paragraph><Paragraph>tskt</Paragraph>