Creating text nodes by regular expressions - function tokenize()

      <xsl:stylesheet
                  xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                  version="2.0">
            <xsl:output  method="xml"
                        indent="yes"
                        omit-xml-declaration="yes"/>

            <xsl:template  match="/aaa">
                  <ul>
                        <xsl:for-each  select="tokenize(.,'\s+')">
                              <li>
                                    <xsl:value-of  select="."/>
                              </li>
                        </xsl:for-each>
                  </ul>
            </xsl:template>

      </xsl:stylesheet>

      <aaa>How do you do</aaa>

      <ul>
            <li>How</li>
            <li>do</li>
            <li>you</li>
            <li>do</li>
      </ul>