Regular Expression UTF-8 Alphanumeric+Whitespace Match, Ignore Embedded Punctuation

I do a lot of work with a mix of English and Korean UTF-8 text. I need a 
regular expression to match both English and Korean (multi-byte) text. 
Unfortunately, this text is frequently "decorated" with lots of 
punctuation that causes downstream processing problems.

My primary goal is to remove most (or all) punctuation from the UTF-8 
text, while retaining the words and whitespace.

When I use \w, I don't match the Korean text.

/[\w\s]+/.match 'slow motion 배속 부드러운 슬로모션'
=> #<MatchData "slow motion ">

/[\w\s]+/.match '배속 부드러운 슬로모션 slow motion'
=> #<MatchData " ">

Is there some way to capture arbitrary combinations of Korean and 
English text, ignoring punctuation, without resorting to the .* construct?

In the past, I have used .gsub to remove punctuation characters. Is this 
really the best/only way? If so, can I consolidate a chain of 
punctuation-removing gsubs into a single gsub?

Thank you :-)



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