Regular Expressions

Ashley J.S Mills

<ug55axm@cs.bham.ac.uk>

Copyright © 2002 The University Of Birmingham

1. Introduction
2. Basics
- 2.1 Single Character
- 2.2 Any Character: .
- 2.3 The Escape Character: \
- 2.4 The Caret: ^
- 2.5 The Dollar Symbol: $
- 2.6 The Kleene star: *
- 2.7 The Kleene plus: +
- 2.8 Ranges: [ ], [cn-cm] and [^cn-cm]
- 2.9 Grouping: \( \)
- 2.10 Alternatives: |
- 2.11 Repetition: \{n\}, \{,n\}, \{n,\}, \{n,m\}
3. Grep Examples
4. java.util.regex, Java 1.4
5. Emacs Regular Expressions
6. References