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Metacharachters

Explore Perl metacharacters and their roles in regular expressions to perform advanced text matching. Understand how characters like dot, \w, \d, and \s differ from literal matches and how their negated forms work. Gain insight into crafting effective regex patterns for versatile and precise string processing in Perl.

Perl interprets several characters in regular expressions as metacharacters, characters that represent something other than their literal interpretation.

We’ve seen a few metacharacters already (\b, ., and ?, for example). Metacharacters give regex wielders power far beyond mere substring matches. The regex engine treats all metacharacters as atoms. See perldoc ...