On Sat, Aug 22, 2009 at 12:32 PM, “•ÈýÏݓ•ÂÔ<danondan...@gmail.com> 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
 using preg_replace.

 I've tried something like /[^(dog|cat)]+/ but no success

 > What should I do?

Lot's of ways to skin this cat/dog.

What's wrong with exploding the string using spaces and then walking the array looking for cat and dog while assembling the resultant string?



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