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Re: Extracting multiple matches from a string using preg_replace [message #178587 is a reply to message #178584]

Mon, 09 July 2012 19:00

jwcarlton
Messages: 76
Registered: December 2010

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On Monday, July 9, 2012 9:29:15 AM UTC-4, Peter H. Coffin wrote:
> That's the drawback to using preg_replace() for this. You can't capture
> all the bits you want to extract because you *must* enumerate them.
> preg_match_all() returns an array of matches, which is what you want if
> you don't know how many you're going to get back going in.

Thanks, I'll modify the script this evening with preg_match_all(). :-D

>> // I'm not sure why preg_replace isn't catching the extra variables;
>> // I thought the [&.+]* would do this? Either way, this is a
>> workaround: list($this_id) = explode("&", $this_id);
>
> Define "catching" in this context. If you want it back, you need to
> paren-tag it so it goes into an enumerated output slot.

No, I mean that it's not removing the additional variables. So, this:

&feature=related

Returns this as $this_id:

123456&feature=related

when I just want the "123456".

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[Message index]

		Extracting multiple matches from a string using preg_replace By: jwcarlton on Mon, 09 July 2012 08:50
		Re: Extracting multiple matches from a string using preg_replace By: Captain Paralytic on Mon, 09 July 2012 12:44
		Re: Extracting multiple matches from a string using preg_replace By: jwcarlton on Mon, 09 July 2012 18:58
		Re: Extracting multiple matches from a string using preg_replace By: Peter H. Coffin on Mon, 09 July 2012 13:29
		Re: Extracting multiple matches from a string using preg_replace By: jwcarlton on Mon, 09 July 2012 19:00
		Re: Extracting multiple matches from a string using preg_replace By: jwcarlton on Tue, 10 July 2012 09:08

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