Manfred Staudinger wrote:
<xsl:value-of select="replace(., '\[[^\]]+\]', '')"/>
Thanks for your solution, works perfect.
Let me try to verbalize the regex (" for better readability):
"\[[^\]]+\]"
the string starts with "[" and ends with "]": SingleCharEsc
"\[" and "\]"
in between there is a charGroup: "[]"
with a quantifier "+" for one or more occurrences
the charGroup is a negcharGroup, as it starts with: "^"
it contains one character "]": SingleCharEsc "\]",
thus allowing for one or more characters which are not "]".
Perfectly right (I mean, it's what I'd have said).
I would prefer to try it out with an editor's find. To my
surprise your solution worked fine with SciTE.
Ok. Regexps are supported in a lot of languages and tools. But with
some differences and/or enhancements. Emacs for example have a tool
that helps to build regexps: re-builder. Maybe your editor have such a
functionality. If you are aware of these differences, it can be a good
way to design a complex regexp. But it's not the way to learn a
specific regexps language in particular, IMHO (here XPath 2.0 regexps).
If you don't want to write each time an XSLT script and a input
document to test one regexp, you can write an extension to your
favorite editor. In Emacs, this could be done quite easily, I think.
Or a specific client for your XSLT processor (for example a Java client
for Saxon, taking a regexp and a text to test matching, and building a
simple script from these).
One difference I noted was, that SciTE does not need
the SingleCharEsc within the charGroup.
It's the way traditional regexps work. I must confess it's what I
tried first. But Saxon gave me the right advice to escape it. A good
thing IMHO, more rigorous.
Regards,
--drkm
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