Don't eschew $^R! That's what it's there for: 
# UPDATED: added comments about what's going on
our @rv;  # you like taking trips? ;)

m{
  (text);

  # the (?{ ... }) block's return value
  # is given to $^R, the magical variable
  # whose value is auto-localized and gets
  # rolled back when backtracking occurs.
  # $^R's initial value, then, is an array
  # ref with one element, $1's value.
  (?{ [$1] })

  (?:
    (float)

    # then, four times, we add the float we
    # match in $2 to the end of $^R.  we
    # can't just do push(@{$^R}, $2), because
    # that would break the auto-rollback magic,
    # so instead, we just let the return value
    # set $^R again.
    (?{ [ @{$^R}, $2 ] })
    non-num
  ){4}

  # finally, we store @{$^R} in @rv.
  (?{ @rv = @{$^R} })
}x;

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Jeff japhy Pinyan, P.L., P.M., P.O.D, X.S.: Perl, regex, and perl hacker
How can we ever be the sold short or the cheated, we who for every service have long ago been overpaid? ~~ Meister Eckhart

In reply to Re^2: capturing multiple repeated regex subparts by japhy
in thread capturing multiple repeated regex subparts by perl-diddler

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