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/x modifier for verbose regexes - video
Scalar variables
String operators - video
String operators: concatenation (.), repetition (x)
Open and read from text files
Regex matching digits
Email validation using Regular Expression in Perl
$SYSTEM_FD_MAX
Test for expected warnings
Exchange values and keys of a hash - how to reverse a hash
Unix and DOS commands - video
Check several regexes on many strings
exec
Array indexes (screencast) - video
Array indexes - video
Case insensitive regexes - video
Comparing complex data-structures using is_deeply
Conext sensitivity - video
Create Linux user account - video
Creating a Perl binding to a C library using FFI with Sawyer X