$ perl -le'
my $line = "(  0,  670); 3.2; 7.8; 9.4; 10.2; 12.6;";
my @split1 = $line =~ /\d+(?:\.\d+)?/g;
print for @split1;
'
0
670
3.2
7.8
9.4
10.2
12.6