Orchid XP v8 wrote:
>>> I don't understand the specification.
>>
>> I even expressed it in Haskell-ish syntax.
>>
>> "Zero or more A's, followed by zero or more A's, followed by zero or
>> more A's, followed by three A's."
> 
> In what way is that different from "zero or more As"?

That's not the point. Replace "A" with "phone number" and you have the same 
problem.

> Except that regular expressions are an obscure topic used almost nowhere 
> except in text-mangling languages like Perl.

No, they're really not. That's what I'm trying to explain. That's like 
saying "state machines are really irrelevant" or "parsers are an obscure topic."

-- 
Darren New, San Diego CA, USA (PST)
   Serving Suggestion:
     "Don't serve this any more. It's awful."

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