XML Tutorial/XSLT stylesheet/contains

contains() returns true if the first argument string contains the second argument string

File: Data.xml
<?xml version="1.0" encoding="utf-8"?>
<data>
    <text>Welcome to XSL world.</text>
    <string>Welcome</string>
    <string>XSL</string>
    <string>XML</string>
</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="/">
      <TABLE border="1">
        <TR>
          <TH colspan="3">
            <xsl:value-of select="//text"/>
          </TH>
        </TR>
        <TR>
          <td>string</TH>
          <td>starts-with</TH>
          <td>contains</TH>
        </TR>
        <xsl:for-each select="//string">
          <TR>
            <TD>
              <xsl:value-of select="."/>
            </TD>
            <TD>
              <xsl:value-of select="starts-with(//text,.)"/>
            </TD>
            <TD>
              <xsl:value-of select="contains(//text,.)"/>
            </TD>
          </TR>
        </xsl:for-each>
      </TABLE>
    </xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?><TABLE border="1"><TR><TH colspan="3">Welcome to XSL world.</TH></TR><TR><td>string</TH><td>starts-with</TH><td>contains</TH></TR><TR><TD>Welcome</TD><TD>
true</TD><TD>true</TD></TR><TR><TD>XSL</TD><TD>false</TD><TD>true</TD></TR><TR><TD>XML</TD><TD>false</TD><TD>false</TD></TR></TABLE>