c:\@Work\Perl>perl -wMstrict -MData::Dump -le
"my $s = q{name1=value1 name2=' value2=0' name3=value3};
 ;;
 my $name     = qr{ \w+ }xms;
 my $plain    = qr{ \w+ }xms;
 my $s_quoted = qr{ ' [^\x27]* ' }xms;
 ;;
 my %h = $s =~ m{ ($name) \s* = \s* ($s_quoted | $plain) \s* }xmsg;
 dd \%h;
"
{ name1 => "value1", name2 => "' value2=0'", name3 => "value3" }