1/18/2011, "Uri Guttman" <u...@stemsystems.com> вы писали:
>>>>>> "AM" == Alexey Mishustin <shum...@shumkar.ru> writes:
>
> AM> /(www.){0,1}(google\.).*\/(imgres)|(images)|(products)\?{0,1}/
>
>{0,1} is just ? by itself.
Yes, I know. But I like the {a,b} syntax more :) It's more uniform than
?,+,* etc.
>you don't need to grab things that are not used later on. also why grab
>each trailing word separately which means it will be hard to tell what
>word was there.
Where did I grab things that are not used later? What do you mean by
trailing word?
>the . after www needs to be escaped (it is unlikely ever to be other
>than a real dot, but it is good practice and correct to escape it).
Yes, it was a mistake.
>using alternate delimiters means you don't need to escape / which makes
>it easier to read.
Sure.
--
Regards,
Alex
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