Defining REs

• As simple as wild cards

• Where to get help:

  • Simulator: http://www.rutgers.edu/~sgro/perltutor/regexp.html
  • perldoc perlre
  • c:/perl/html/index.html (select “Core Perl Docs” then “perlre”)

• These slides use `perldoc perlre` and `perldoc perlop`

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dir *.*

dir *.t??

dir t*.*

MS Word has them.

Different types that vary in not so subtle ways. (* as opposed to .*).