How can I create a SEO friendly dash-delimited url from a string?

Question

Take a string such as:

In C#: How do I add \"Quotes\" around string in a comma delimited list of strings?

and convert it to:

Answer 1

Solution in Perl:

my $input = 'In C#: How do I add "Quotes" around string in a comma delimited list of strings?';

my $length = 20;
$input =~ s/[^a-z0-9]+/-/gi;
$input =~ s/^(.{1,$length}).*/\L$1/;

print "$input\n";

done.