[xsl] concat with unspecific length

Subject: [xsl] concat with unspecific length
From: henry human <henry_human@xxxxxxxx>
Date: Mon, 18 Jun 2012 14:39:43 +0100 (BST)
Hello
I have following xml bellow and want to concat together as here: 
Field1
[from position 1, length varies] + " " [until position 11] + 
Field2 [from
position 12] + " " [until position 16]+ Field3 [from position 17, length
always 10] + 
" " [until position 27] + Field4


Input
<Field1>2000090691</Field1>

<Field2>0010</Field2>
<Field3>2000090690</Field3>

<Field4>0010</Field14>


??
thanks

Current Thread