xsl: how to use parameter inside “match”?

Question

My xsl has a parameter

I want to use it inside match

Answer 1

In XSLT 2.0 you can refer to global variables within a match pattern, but the syntax is simpler than your guess:

rather than

Also, the semantics are not what you appear to be expecting: a variable referenced on the lhs of "/" must contain a node-set, not a fragment of an XPath expression.