On 2011-05-19 20:51, Brandon Ibach wrote:

For 2), if you're using the regex to both validate the input (making
sure it conforms to the required syntax) and parse/extract the
name/value pairs, you might be able to make the job easier by breaking
these two tasks apart. Use the regex as you have it now to validate
the input and then, if it matches, use a shorter regex that matches
just a single name/value pair with analyze-string to do the actual
processing.

-Brandon :)

That's more or less what I do know. But as long as the regex contains a
repeating pattern, <xsl:matching-substring> will only be invoked once,
and the regex-group function will only return the contents for the last
match, right?

Input:
<foo>a=b;c=d;e=f</foo>

  <xsl:template match="/">
    <variants>
      <var type="tokenize replace">
        <xsl:apply-templates mode="tok" />
      </var>
      <var type="analyze-string">
        <xsl:apply-templates mode="as" />
      </var>
      <var type="analyze-string full regex">
        <xsl:apply-templates mode="as-full" />
      </var>
    </variants>
  </xsl:template>

  <xsl:template match="foo" mode="as">
    <xsl:copy>
      <xsl:analyze-string select="." regex="([a-z]+)=([a-z]+);?" flags="i">
        <xsl:matching-substring>
          <item name="{regex-group(1)}" value="{regex-group(2)}" />
        </xsl:matching-substring>
      </xsl:analyze-string>
    </xsl:copy>
  </xsl:template>

Output:
<variants>
   <var type="tokenize replace">
      <foo>
         <item name="a" value="b"/>
         <item name="c" value="d"/>
         <item name="e" value="f"/>
      </foo>
   </var>
   <var type="analyze-string">
      <foo>
         <item name="a" value="b"/>
         <item name="c" value="d"/>
         <item name="e" value="f"/>
      </foo>
   </var>
   <var type="analyze-string full regex">
      <foo>
         <item name="a" value="b" rest=";e=f"/>
      </foo>
   </var>
</variants>

Best regards, Julian

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