Regex

edition 0.12a

19 September 1992

• Overview
• Regular Expression Syntax
  • Syntax Bits
  • Predefined Syntaxes
  • Collating Elements vs. Characters
  • The Backslash Character
• Common Operators
  • The Match-self Operator (ordinary character)
  • The Match-any-character Operator (.)
  • The Concatenation Operator
  • Repetition Operators
    • The Match-zero-or-more Operator (*)
    • The Match-one-or-more Operator (+ or \+)
    • The Match-zero-or-one Operator (? or \?)
    • Interval Operators ({ ... } or \{ ... \})
  • The Alternation Operator (| or \|)
  • List Operators ([ ... ] and [^ ... ])
    • Character Class Operators ([: ... :])
    • The Range Operator (-)
  • Grouping Operators (( ... ) or \( ... \))
  • The Back-reference Operator (\digit)
  • Anchoring Operators
    • The Match-beginning-of-line Operator (^)
    • The Match-end-of-line Operator ($)
• GNU Operators
  • Word Operators
    • Non-Emacs Syntax Tables
    • The Match-word-boundary Operator (\b)
    • The Match-within-word Operator (\B)
    • The Match-beginning-of-word Operator (\<)
    • The Match-end-of-word Operator (\>)
    • The Match-word-constituent Operator (\w)
    • The Match-non-word-constituent Operator (\W)
  • Buffer Operators
    • The Match-beginning-of-buffer Operator (\`)
    • The Match-end-of-buffer Operator (\')
• GNU Emacs Operators
  • Syntactic Class Operators
    • Emacs Syntax Tables
    • The Match-syntactic-class Operator (\sclass)
    • The Match-not-syntactic-class Operator (\Sclass)
• What Gets Matched?
• Programming with Regex
  • GNU Regex Functions
    • GNU Pattern Buffers
    • GNU Regular Expression Compiling
    • GNU Matching
    • GNU Searching
    • Matching and Searching with Split Data
    • Searching with Fastmaps
    • GNU Translate Tables
    • Using Registers
    • Freeing GNU Pattern Buffers
  • POSIX Regex Functions
    • POSIX Pattern Buffers
    • POSIX Regular Expression Compiling
    • POSIX Matching
    • Reporting Errors
    • Using Byte Offsets
    • Freeing POSIX Pattern Buffers
  • BSD Regex Functions
    • BSD Regular Expression Compiling
    • BSD Searching
• GNU GENERAL PUBLIC LICENSE
  • Preamble
  • TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
  • Appendix: How to Apply These Terms to Your New Programs
• Index