Re: [xsl] regular expression issue in XSLT 2.0

[David Carlisle <davidc@xxxxxxxxx>]

But how do you escape then the curly sign as a character?

\{{

It happens in two passes. Working backwards, you want a regexp 
something like
   x{2}zzz\{
but to put that in an AVT you need to qupte every { by doubling it, this
quoting is completely blind to regexp syntax, it's just a string at that
level so just double all the { and end up with

   x{{2}}zzz\{{


xsl:analyze-string will take that as an AVt so unquote the braces and
pass  x{2}zzz\{ to the xpath regep engine, as required.

David


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