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Subject: Re: Datatype interface for RELAX NG
> As well as base64Binary and hexBinary, this would be useful for string. It would be very useful for binary types, but not much for string, I guess. For example, JTREX can internally convert <data type="xsd:string"/> to <text/> , then it can also detect that certain patterns (like this one) are indifferent to the exact character literals. Thus it will find that it doesn't need to store characters. > I don't think that's an option in many cases. It is also useful for string > type; even with a pattern facet there is no need for the entire string to be > in memory. As far as I know, there is no implementation that supports streaming validation of the regular expression. In fact, this is difficult probably because many of the current implementations use the back-track strategy. regards, -- Kohsuke KAWAGUCHI +1 650 786 0721 Sun Microsystems kohsuke.kawaguchi@eng.sun.com
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