in reply to Re^3: Regex, extracting stuff from the middle of a line
in thread Using a regex function from a hash

You should escape the special '\' symbol: 
m|\\(\w+)| and print $1, "\n";

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For the date/time: 
m|:\s+(\S+)| and print $1, "\n";

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See perlre


In Section Seekers of Perl Wisdom