Regex Group in Perl: how to capture elements into array from regex group that matches unknown number of/multiple/variable occurrences from a string?

Question

In Perl, how can I use one regex grouping to capture more than one occurrence that matches it, into several array elements?

For example, for a string:

Answer 1

It is possible to do this with regexes, however it's fragile.

my $string = "var1=100 var2=90 var5=hello var3=\"a, b, c\" var7=test var3=hello";

my $regexp = qr/( (?:\w+=[\w\,]+) | (?:\w+=\"[^\"]*\") )/x;
my @matches = $string =~ /$regexp/g;