Need help with Regex for tags

Hi there,

I'm hoping someone can help out, or has done this before.

I need a regex expression for an application to add tags.

There are a bunch of rules for my tagging.
1.  Any words separated by spaces are each tags (i.e. : tag1
tag2
tag3 )
2.  Any groups of words within quotes are a single tag (i.e.
"tag1a
tag1b" tag2 )
3.  Any groups of words separated by commas are a single tag
(i.e.
tag1a tag1b tag1c, tag2 tag3 )

I'm having troubles doing it in a single step.

Here's what I have so far to separate tags withing quotes
and tags
separated by spaces

$string = 'Jeff "orang e" happy "orang
ewww"';
echo "ORIG : " . $string .
"<BR>";
$replaced =
preg_replace('{"([ws]+)"|([w]+)}', '|$0|',
$string);
$replaced = preg_replace("(")",
"", $replaced );
echo "REPL : " . $replaced  .
"<BR>";

Thanks for any help
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