Re: Unexplained Issue Using Regex

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There is no reason to share the code because it happens with almost ALL the
regex's I'm using :(

But I worked this out using Todd's solution.

Thank you all for trying to help.

On Sat, Mar 7, 2009 at 11:06 AM, 9el <lenin@xxxxxxxxxxxxx> wrote:

>
> On Sat, Mar 7, 2009 at 2:37 PM, Jochem Maas <jochem@xxxxxxxxxxxxx> wrote:
>
>> Nitsan Bin-Nun schreef:
>> > Hi lista,
>> >
>> > I have been trying to figure this out for the last couple of hours but
>> I'm
>> > lack of luck.
>> > Take a look at these regex's, the string that was inputed into the
>> > preg_replace (using Uis modificators) and the results:
>> > (the lists have correspondence to each other)
>> >
>> > ORIGINAL STRING
>> > ----
>> >
>> > http://www.zshare.net/video/541070871c7a8d9c
>> > http://www.guba.com/watch/2000821351
>> > http://www.veoh.com/videos/v4609719YfsCFpf
>> >
>> >
>> > REGEX USED (with Uis modificators)
>> > ----
>> > http:\/\/(www\.|)zshare\.net\/video\/([^\/]+)               $3
>> > http:\/\/(www\.|)guba\.com\/watch\/([0-9]+)              $3
>> > http:\/\/(www\.|)veoh\.com\/videos\/([^\/]+)
>> >
>> > THE RETURNED STRING
>> > ----
>> > 41070871c7a8d9c
>> > 000821351
>> > 4609719YfsCFpf
>> >
>> > If you will go through this carefully you will notice that the first
>> > character of each matching group is being deleted.
>> > The regex's and the replacements string are being fetched from the
>> database
>> > (mysql) and goes straight to the preg_replace function with the original
>> > string.
>> >
>> > I have no idea why this happens.
>> > I'm looking forward for your opinions and suggestions.
>>
>> php -r '
>> var_dump(preg_replace("#http:\/\/(www\.|)zshare\.net\/video\/([^\/]+)#Ui",
>> "\\2", "http://www.zshare.net/video/541070871c7a8d9c";));
>> '
>> string(16) "541070871c7a8d9c"
>>
>> given the above test I don't see the problem with the regexp
>> (but you don't actually show the code so it's hard to tell), I'd
>> probably look else where for the char munching culprit.
>
>
> Well, yes if Nitsun is not sharing his piece of code we will have to guess
> wildly... but why? :)
>
>>
>>
>> >
>> > Regards,
>> > Nitsan
>> >
>>
>>
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>>
>

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