Xslt Sort Input In Arbitrary Order

I'm pretty new to XSLT. I did my fair amount of research on the web however I could not find enough information that suit my case. This is what I'm trying to achieve: I have a larg

Solution 1:

Try:

<xsl:sort select="string-length(substring-before($sort-order, concat('|', container2/identifier/@code, '|')))" data-type="number" order="ascending"/>