Re: preg_replace anything that isn't WORD
| From: | Shawn McKenzie | Date: | Sat, 22 Aug 2009 21:37:35 +0000 |
| Subject: | Re: preg_replace anything that isn't WORD | ||
| References: | 1 2 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-297090@lists.php.net to get a copy of this message | ||
Didn't seem to make it the first time.
Shawn McKenzie wrote:
> 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);
-Shawn