see Re: Extract delimited words from string again, I added more comments to better explain the extended regex.

update

There is a difference between Hippo's solution and mine, he literally extracts only "words delimited by quotation marks" like requested:

> how can I parse strings like this below to extract the words delimited by quotation marks?

my more complex solution is assuming you actually wanted to split on whitespace first and the quotes are optional.

Hard to tell what you really wanted...