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Jump to: $ ( ) * + - . : ? [ \ ] ^ { | }
A B C E F G I M N O P R S T U W

	Index Entry	Section

$
	`$`	3.9.2 The Match-end-of-line Operator (`$`)

(
	`(`	3.7 Grouping Operators (`(` ... `)` or `$` ... `$`)

)
	`)`	3.7 Grouping Operators (`(` ... `)` or `$` ... `$`)

*
	`*'	3.4.1 The Match-zero-or-more Operator (`*`)

+
	`+'	3.4.2 The Match-one-or-more Operator (`+` or `\+`)

-
	`-'	3.6 List Operators (`[` ... `]` and `[^` ... `]`)

.
	`.'	3.2 The Match-any-character Operator (`.`)

:
	`:]' in regex	3.6.1 Character Class Operators (`[:` ... `:]`)

?
	`?'	3.4.3 The Match-zero-or-one Operator (`?` or `\?`)

[
	`['	3.6 List Operators (`[` ... `]` and `[^` ... `]`)
	`[:' in regex	3.6.1 Character Class Operators (`[:` ... `:]`)
	`[^'	3.6 List Operators (`[` ... `]` and `[^` ... `]`)

\
	\	2.4 The Backslash Character
	`\'	3.6 List Operators (`[` ... `]` and `[^` ... `]`)
	`\''	4.2.2 The Match-end-of-buffer Operator (`\'`)
	`\(`	3.7 Grouping Operators (`(` ... `)` or `$` ... `$`)
	`\)`	3.7 Grouping Operators (`(` ... `)` or `$` ... `$`)
	`\<'	4.1.4 The Match-beginning-of-word Operator (`\<`)
	`\>'	4.1.5 The Match-end-of-word Operator (`\>`)
	`\`'	4.2.1 The Match-beginning-of-buffer Operator (\`)
	`\b'	4.1.2 The Match-word-boundary Operator (`\b`)
	`\B'	4.1.3 The Match-within-word Operator (`\B`)
	`\s'	5.1.2 The Match-syntactic-class Operator (`\sclass`)
	`\S'	5.1.3 The Match-not-syntactic-class Operator (`\Sclass`)
	`\w'	4.1.6 The Match-word-constituent Operator (`\w`)
	`\W'	4.1.7 The Match-non-word-constituent Operator (`\W`)
	`\{'	3.4.4 Interval Operators (`{` ... `}` or `\{` ... `\}`)
	`\\|`	3.5 The Alternation Operator (`\|` or `\\|`)
	`\}'	3.4.4 Interval Operators (`{` ... `}` or `\{` ... `\}`)

]
	`]'	3.6 List Operators (`[` ... `]` and `[^` ... `]`)

^
	`^`	3.9.1 The Match-beginning-of-line Operator (`^`)

{
	`{'	3.4.4 Interval Operators (`{` ... `}` or `\{` ... `\}`)

\|
	`\|`	3.5 The Alternation Operator (`\|` or `\\|`)

}
	`}'	3.4.4 Interval Operators (`{` ... `}` or `\{` ... `\}`)

A
	`allocated initialization`	7.1.2 GNU Regular Expression Compiling
	alternation operator	3.5 The Alternation Operator (`\|` or `\\|`)
	alternation operator and `^'	3.9.1 The Match-beginning-of-line Operator (`^`)
	anchoring	3.9 Anchoring Operators
	anchors	3.9.1 The Match-beginning-of-line Operator (`^`)
	anchors	3.9.2 The Match-end-of-line Operator (`$`)
	Awk	2.2 Predefined Syntaxes

B
	back references	3.8 The Back-reference Operator (\`digit`)
	backtracking	3.4.1 The Match-zero-or-more Operator (`*`)
	backtracking	3.5 The Alternation Operator (`\|` or `\\|`)
	beginning-of-line operator	3.9.1 The Match-beginning-of-line Operator (`^`)
	bracket expression	3.6 List Operators (`[` ... `]` and `[^` ... `]`)
	`buffer field, set by re_compile_pattern`	7.1.2 GNU Regular Expression Compiling
	`buffer initialization`	7.1.2 GNU Regular Expression Compiling

C
	character classes	3.6.1 Character Class Operators (`[:` ... `:]`)

E
	Egrep	2.2 Predefined Syntaxes
	Emacs	2.2 Predefined Syntaxes
	`end in struct re_registers`	7.1.8 Using Registers
	end-of-line operator	3.9.2 The Match-end-of-line Operator (`$`)

F
	`fastmap initialization`	7.1.2 GNU Regular Expression Compiling
	`fastmap_accurate field, set by re_compile_pattern`	7.1.2 GNU Regular Expression Compiling
	fastmaps	7.1.6 Searching with Fastmaps

G
	Grep	2.2 Predefined Syntaxes
	grouping	3.7 Grouping Operators (`(` ... `)` or `$` ... `$`)

I
	ignoring case	7.2.2 POSIX Regular Expression Compiling
	interval expression	3.4.4 Interval Operators (`{` ... `}` or `\{` ... `\}`)

M
	matching list	3.6 List Operators (`[` ... `]` and `[^` ... `]`)
	matching newline	3.6 List Operators (`[` ... `]` and `[^` ... `]`)
	matching with GNU functions	7.1.3 GNU Matching

N
	`newline_anchor field in pattern buffer`	3.9.1 The Match-beginning-of-line Operator (`^`)
	nonmatching list	3.6 List Operators (`[` ... `]` and `[^` ... `]`)
	`not_bol field in pattern buffer`	3.9.1 The Match-beginning-of-line Operator (`^`)
	`num_regs in struct re_registers`	7.1.8 Using Registers

O
	open-group operator and `^'	3.9.1 The Match-beginning-of-line Operator (`^`)
	or operator	3.5 The Alternation Operator (`\|` or `\\|`)

P
	parenthesizing	3.7 Grouping Operators (`(` ... `)` or `$` ... `$`)
	pattern buffer initialization	7.1.2 GNU Regular Expression Compiling
	pattern buffer, definition of	7.1.1 GNU Pattern Buffers
	POSIX Awk	2.2 Predefined Syntaxes

R
	`range argument to re_search`	7.1.4 GNU Searching
	`RE_BACKSLASH_ESCAPE_IN_LIST`	2.1 Syntax Bits
	`RE_BK_PLUS_QM`	2.1 Syntax Bits
	`RE_CHAR_CLASSES`	2.1 Syntax Bits
	`RE_CONTEXT_INDEP_ANCHORS`	2.1 Syntax Bits
	RE_CONTEXT_INDEP_ANCHORS (and `^')	3.9.1 The Match-beginning-of-line Operator (`^`)
	`RE_CONTEXT_INDEP_OPS`	2.1 Syntax Bits
	`RE_CONTEXT_INVALID_OPS`	2.1 Syntax Bits
	`RE_DOT_NEWLINE`	2.1 Syntax Bits
	`RE_DOT_NOT_NULL`	2.1 Syntax Bits
	`RE_INTERVALS`	2.1 Syntax Bits
	`RE_LIMITED_OPS`	2.1 Syntax Bits
	`RE_NEWLINE_ALT`	2.1 Syntax Bits
	`RE_NO_BK_BRACES`	2.1 Syntax Bits
	`RE_NO_BK_PARENS`	2.1 Syntax Bits
	`RE_NO_BK_REFS`	2.1 Syntax Bits
	`RE_NO_BK_VBAR`	2.1 Syntax Bits
	`RE_NO_EMPTY_RANGES`	2.1 Syntax Bits
	`re_nsub field, set by re_compile_pattern`	7.1.2 GNU Regular Expression Compiling
	`re_pattern_buffer definition`	7.1.1 GNU Pattern Buffers
	`re_registers`	7.1.8 Using Registers
	`re_syntax_options initialization`	7.1.2 GNU Regular Expression Compiling
	`RE_UNMATCHED_RIGHT_PAREN_ORD`	2.1 Syntax Bits
	`REG_EXTENDED`	7.2.2 POSIX Regular Expression Compiling
	`REG_ICASE`	7.2.2 POSIX Regular Expression Compiling
	`REG_NEWLINE`	7.2.2 POSIX Regular Expression Compiling
	`REG_NOSUB`	7.2.2 POSIX Regular Expression Compiling
	`regex.c`	1. Overview
	`regex.h`	1. Overview
	regexp anchoring	3.9 Anchoring Operators
	`regmatch_t`	7.2.5 Using Byte Offsets
	`regs_allocated`	7.1.8 Using Registers
	`REGS_FIXED`	7.1.8 Using Registers
	`REGS_REALLOCATE`	7.1.8 Using Registers
	`REGS_UNALLOCATED`	7.1.8 Using Registers
	regular expressions, syntax of	2. Regular Expression Syntax

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