Re: [gobo-eiffel-develop] Regular expression syntax

[Eric B. <er...@go...>]

Colin Paul Adams wrote:
>>>>>> "Eric" == Eric Bezault <er...@go...> writes:
> 
>     Eric> Colin Paul Adams wrote:
>     >>>>>>> "Colin" == Colin Paul Adams <co...@co...>
>     >>>>>>> writes:
>     Colin> For XML 1.1, the equivalent to \c is 3830417 bytes long.
>     Colin> This is definitely too big, so something is wrong with the
>     Colin> test program.
>     >> No.  What is wrong is that this figure includes all as yet
>     >> unallocated code-points (barring a few excluded ones).  For XML
>     >> 1.0, the figure is 104080.  Either way, the strings are too
>     >> long
> 
>     Eric> You're probably right. On the other hand is it that big
>     Eric> compared to what you have generated in the classes
>     Eric> ST_UNICODE_VNNN_*_ROUTINES?
> 
> Yes.
> Because the latter are direct access (looking up values in an array),
> whereas the former requires a search of the entire string 

For compiled regexp, I don't think it searches in the
pattern string. It builds arrays and uses these arrays
to match the input string.

-- 
Eric Bezault
mailto:er...@go...
http://www.gobosoft.com