Paul Rubin <http://[EMAIL PROTECTED]>:

>[EMAIL PROTECTED] (Aahz) writes:
>> .So adding SNOBOL patterns to another library would be a wonderful
>> gift to the Python community...
>
>Snobol patterns were invented at a time when nobody knew anything
>about parsing.  

But Snobol patterns aren't mainly about building parsers. 

>They were extremely powerful (recursive with arbitrary
>amounts of backtracking) but could use exponential time and maybe even
>exponential space.

Sure. Like any Turing complete language feature. 
>
>These days, it makes more sense to use something like pyparsing.  

Probably, yes.



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