[xsl] Using SubString

Hi All, 

------------------
I have a XML as :

<root>
<connection value ="//every123/event321" />
<connection value ="//once123/every321" />
<connection value ="//every123/every321/event123" />
</root>
-----------------
And my XSL is 

<xsl:template match="root">   
 <xsl:for-each  select="connection"> 
  <xsl:variable name="value" select="@value" />         
  <xsl:if test="contains($value, 'every') and contains($value, 'event')">
   <xsl:text>1 every and 1 Event</xsl:text> 
  </xsl:if>     
  <xsl:if test="contains($value, 'every') and contains($value, 'once')">
   <xsl:text>1 every and 1 once</xsl:text> 
  </xsl:if>     
 </xsl:for-each>
</xsl:template>
----------------
What exactly I am trying to do is for every Connection I am analyzing the
value of @value.

I.e. if I have One every and One event in the @value I am trying to do some
thing similarly with one every and one once!

Now my problem is how can I identify the condition where @value has Two
Every's and One Event (Ex : root/connection[3]/@value)?

How to form a condition?
Can anyone help?

Thanks,
Yaswanth Kumar Ravella

 


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