perldebug Perl debugging
perlvar Perl predefined variables
perlre Perl regular expressions, the rest of the story
+ perlrebackslash Perl regular expression backslash sequences
+ perlrecharclass Perl regular expression character classes
perlreref Perl regular expressions quick reference
perlref Perl references, the rest of the story
perlform Perl formats
h Miscellaneous
perlbook Perl book information
+ perlcommunity Perl community information
perltodo Perl things to do
perldoc Look up Perl documentation in Pod format