On 17/03/12 17:38, Brandon Ibach wrote:
Both XSLT 1.0 and 2.0 define variable names as QNames, so they *can*
have a ":" in them.
Agreed. My misread of the spec.
Tks Brandon.
Ignoring that for the moment, though, Tony pointed out one consequence
of this, but the bigger issue is that the "|" operator in regex is
fairly low precedence, so you often need some parenthesis around the
list of alternatives to get things right. Your NameStartChar.re has a
hex-char-ref-encoded "$" at the beginning, so that regex is actually
"$[A-Z] | _ | [a-z] | ...", which means it will match "(a dollar sign
followed by an upper-case English letter) or (an underscore) or (a
lower-case English letter) or ...".
Which is correct (less the missing :), that's what they call the startChar?
Actually, it might not even match that, since the "$" is a special
character in regex, so you should escape it with a backslash to match
it literally (though I think there are some rules which allow it to
match literally even without the backslash, depending on what follows
it, but best to be explicit).
+1.
All that said, I got this to work by dropping the "$" from the start
of NameStartChar.re and changing Name.re to:
concat("\$(", $NameStartChar.re, ")(", $NameChar.re,")*")
-Brandon :)
presumably because $ is within the a-z grouping....
Yes it works.
It should be possible (and simpler) to use Tony's idea \i\c+ since : is
a valid variable name. Not a syntax I've used before I think?
Wolfgang, I was copying the syntax from the xml rec, hence the groupings.
regards
--
Dave Pawson
XSLT XSL-FO FAQ.
http://www.dpawson.co.uk
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