Assuming you talk about /[\w\W]/i the answer is (AFAIK) everything is matched (I've tested french char with accent, spaces, newlines...) except empty string of course...

Otherwise /\w\W/i doesn't match a lot of things...

In reply to Re: Is there anything that would not be matched by /\w\W/i ? by arhuman
in thread Is there anything that would not be matched by /\w\W/i ? by pileswasp

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