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• /x modifier for verbose regexes - video

• Scalar variables

• String operators - video

• String operators: concatenation (.), repetition (x)

• More UNIX commands - video

• Add and retrieve elements - jQuery + Ajax

• Ajax and Dancer 2

• PSGI and AJAX for single-page applications

• Check several regexes on many strings

• Escaping \ in regex: Unmatched ( in regex; marked by <-- HERE

• Unix and DOS commands - video

• Exception handling in Perl: How to deal with fatal errors in external modules

• $EXTENDED_OS_ERROR

• Checking a GitHub URL for existence

• Test diagnostic messages using diag, note, and explain

• The Hash-bang line, or how to make a Perl scripts executable on Linux

• Exercise: improve Apache log analyzer - video

• Exercise: improve color selector - video

• Exercise: parse HTTP values - video

• Exercise: parse variable width fields - video