Your approach grabs words. The issue the OP is attempting to solve is to grab stuff between commas. A better approach would have been to do something like: 
my @words = /([^,]+)/g;

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But, that suffers from the same problems that split does when dealing with CSV data, specifically how to handle commas that belong in the data value. This is why regexen and split are poor choices for dealing with CSV data. Parsers are appropriate.

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In reply to Re: Re: Comma separated list into a hash by dragonchild
in thread Comma separated list into a hash by Anonymous Monk

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