Regex

edition 0.12a

19 September 1992

• 1 Overview
• 2 Regular Expression Syntax
  • 2.1 Syntax Bits
  • 2.2 Predefined Syntaxes
  • 2.3 Collating Elements vs. Characters
  • 2.4 The Backslash Character
• 3 Common Operators
  • 3.1 The Match-self Operator (ordinary character)
  • 3.2 The Match-any-character Operator (.)
  • 3.3 The Concatenation Operator
  • 3.4 Repetition Operators
    • 3.4.1 The Match-zero-or-more Operator (*)
    • 3.4.2 The Match-one-or-more Operator (+ or \+)
    • 3.4.3 The Match-zero-or-one Operator (? or \?)
    • 3.4.4 Interval Operators ({ ... } or \{ ... \})
  • 3.5 The Alternation Operator (| or \|)
  • 3.6 List Operators ([ ... ] and [^ ... ])
    • 3.6.1 Character Class Operators ([: ... :])
    • 3.6.2 The Range Operator (-)
  • 3.7 Grouping Operators (( ... ) or \( ... \))
  • 3.8 The Back-reference Operator (\digit)
  • 3.9 Anchoring Operators
    • 3.9.1 The Match-beginning-of-line Operator (^)
    • 3.9.2 The Match-end-of-line Operator ($)
• 4 GNU Operators
  • 4.1 Word Operators
    • 4.1.1 Non-Emacs Syntax Tables
    • 4.1.2 The Match-word-boundary Operator (\b)
    • 4.1.3 The Match-within-word Operator (\B)
    • 4.1.4 The Match-beginning-of-word Operator (\<)
    • 4.1.5 The Match-end-of-word Operator (\>)
    • 4.1.6 The Match-word-constituent Operator (\w)
    • 4.1.7 The Match-non-word-constituent Operator (\W)
  • 4.2 Buffer Operators
    • 4.2.1 The Match-beginning-of-buffer Operator (\`)
    • 4.2.2 The Match-end-of-buffer Operator (\')
• 5 GNU Emacs Operators
  • 5.1 Syntactic Class Operators
    • 5.1.1 Emacs Syntax Tables
    • 5.1.2 The Match-syntactic-class Operator (\sclass)
    • 5.1.3 The Match-not-syntactic-class Operator (\Sclass)
• 6 What Gets Matched?
• 7 Programming with Regex
  • 7.1 GNU Regex Functions
    • 7.1.1 GNU Pattern Buffers
    • 7.1.2 GNU Regular Expression Compiling
    • 7.1.3 GNU Matching
    • 7.1.4 GNU Searching
    • 7.1.5 Matching and Searching with Split Data
    • 7.1.6 Searching with Fastmaps
    • 7.1.7 GNU Translate Tables
    • 7.1.8 Using Registers
    • 7.1.9 Freeing GNU Pattern Buffers
  • 7.2 POSIX Regex Functions
    • 7.2.1 POSIX Pattern Buffers
    • 7.2.2 POSIX Regular Expression Compiling
    • 7.2.3 POSIX Matching
    • 7.2.4 Reporting Errors
    • 7.2.5 Using Byte Offsets
    • 7.2.6 Freeing POSIX Pattern Buffers
  • 7.3 BSD Regex Functions
    • 7.3.1 BSD Regular Expression Compiling
    • 7.3.2 BSD Searching
• A GNU GENERAL PUBLIC LICENSE
  • Preamble
  • TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
  • Appendix: How to Apply These Terms to Your New Programs
• Index

This document was generated on 1 December 1997 using the texi2html translator version 1.51.