Re: preg_replace anything that isn't WORD
| From: | Shawn McKenzie | Date: | Sat, 22 Aug 2009 19:30:05 +0000 |
| Subject: | Re: preg_replace anything that isn't WORD | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-297087@lists.php.net to get a copy of this message | ||
דניאל דנון wrote:
> Lets assume I have the string "cats i saw a cat and a dog"
> i want to strip everything except "cat" and "dog" so the result will be
> "catcatdog",
> using preg_replace.
>
>
> I've tried something like /[^(dog|cat)]+/ but no success
>
> What should I do?
>
Capture everything but only replace the backreference for the words:
$r = preg_replace('#.*?(cat|dog).*?#', '\1', $s);
--
Thanks!
-Shawn
http://www.spidean.com