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This chapter is from the book

This chapter is from the book

8.4 What You Should Know

  1. What is meant by a regular expression?

  2. How are the if and unless modifiers used?

  3. How do you change the forward slash delimiter used in the search pattern to something else?

  4. What does the s operator do?

  5. What is meant by a global search?

  6. When do you need the pattern binding operators, =~ and !~?

  7. What is the default pattern space holder?

  8. What is the _ _DATA_ _ filehandle used for?

  9. What do the ieg modifiers mean?

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