Just make another variable, and add another $regex under the first one.

var %one = /(long|string|of|regex|gibberish)/i
if ($regex(,$1-,%one)) echo -a Regex 1 matched
var %two = /(another|string|of|gibberish)/i
if ($regex(,$1-,%two)) echo -a Regex 2 matched

-genius_at_work