[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: regular expressions
> > s-pattern=""" > > comment = "\(([^\(\)\\]|\\.)*\)" > > atom = "[a-zA-Z0-9!#$%&'*+\-/=?\^_`{|}~]+" > > atoms = atom "(\." atom ")*" > > [...] > > > > Why isn't it done? > > > HyLex used a similar syntax for regular expressions. > I've always wondered why the idea never caught on elsewhere. > (Then again, none of the ideas from HyTime ever really > caught on...) In fact, I've implemented it in an extension datatype library for my Relax NG validator; it is only 70 lines of code in Scheme, after all. Proved to be very useful for debugging. David
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