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/x modifier for verbose regexes - video
Scalar variables
String operators - video
String operators: concatenation (.), repetition (x)
Perl Tk text widget to be used as a console
Creating a Perl binding to a C library using FFI with Sawyer X
Count the frequency of words in text using Perl
Perl hash in scalar and list context
Open and read from text files
Fix the documentation of the MetaCPAN::Client
String functions: length, lc, uc, index, substr
Perl::Critic example - lint for Perl
A command line counter with database back-end using DBIx::Class
Unix and DOS commands - video
Exception handling in Perl: How to deal with fatal errors in external modules
Regex character classes
Always check if the regex was successful
Introduction to Regexes in Perl 5
Generate test expectations for the Markua parser
Reading from a file in scalar and list context