Regular Expressions 1: Vocabulary

Find the meaning of metacharacters and regex related terms.

References:
- Vikram Vaswani and Harish Kamath:
http://www.devshed.com/Server_Side/Administration/RegExp/
- Mastering Regular Expressions. Jeffrey E. F. Friedl, O'Reilly 1997
(Ch.4: http://www.oreilly.com/catalog/regex/chapter/ch04.html )
- http://212.187.69.32/HenkS/Testaregex/index.html

Apply your conceptual knowledge in:
Regular Expressions 2: Exercises ( http://www.quia.com/jg/71732.html )

About the notation used: "..." is not part of a regex, but meant to indicate the presence of some item (subexpression).