This is the Perl module String::BlackWhiteList. INSTALLATION String::BlackWhiteList installation is straightforward. If your CPAN shell is set up, you should just be able to do % cpan String::BlackWhiteList Download it, unpack it, then build it as per the usual: % perl Makefile.PL % make && make test Then install it: % make install DOCUMENTATION String::BlackWhiteList documentation is available as in POD. So you can do: % perldoc String::BlackWhiteList to read the documentation online with your favorite pager. Marcel Gruenauer