my $regex = qr /(?:$regexstr)/; #### foreach my $stringlength (100,1000,10000,100000) #### my $regex = qr /(?:$regexstr)/o; #### my $regex = qr /(?:$regexstr)/;
## foreach my $stringlength (100,1000,10000,100000) ##
## my $regex = qr /(?:$regexstr)/o; ##
## my $regex = qr /(?:$regexstr)/;