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Re: regular expressions

• To: xml-dev@l...
• Subject: Re: regular expressions
• From: David Tolpin <dvd@d...>
• Date: Fri, 30 Jan 2004 01:31:19 +0400 (AMT)
• In-reply-to: <200401292112.i0TLCfo22318@d...>

> >     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

• References:
  • Re: regular expressions
    • From: Joe English <jenglish@f...>

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