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   Re: [xml-dev] Internationalising Regular Expressions

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AndrewWatt2000@aol.com scripsit:

> So, <xsd:pattern value="\w" /> would match many (unwanted) characters that <
> xsd:pattern value="[A-Za-z0-9_] /> would reject as non-matching. Correct?


> In W3C XML Schema, and therefore in XForms, is it correct that the only way 
> to express the notion of an English language / ASCII "word character" in a 
> regular expression is using [A-Za-z0-9_]? 


> Is there any facility to express the notion of, for example, a French word 
> character? Or German?

You'd have to concoct a similar character class, and there is always
a measure of controversy about these things.  The standard English spellings of
"na´ve" and "fašade" require letters outside [A-Za-z], and so does
one spelling of "co÷perate".

> Or is the \p{Basic_Latin} the smallest / most precise 
> "chunk" of characters that can be used in such a setting?

That certainly doesn't do what you want: it matches any ASCII character,
rejecting the non-ASCII ones.

We call nothing profound                        jcowan@reutershealth.com
that is not wittily expressed.                  John Cowan
        --Northrop Frye (improved)              http://www.reutershealth.com


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