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Regex

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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 regex3.6.1 Character Class Operators ([: ... :])

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

[
`['3.6 List Operators ([ ... ] and [^ ... ])
`[:' in regex3.6.1 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 initialization7.1.2 GNU Regular Expression Compiling
alternation operator3.5 The Alternation Operator (| or \|)
alternation operator and `^'3.9.1 The Match-beginning-of-line Operator (^)
anchoring3.9 Anchoring Operators
anchors3.9.1 The Match-beginning-of-line Operator (^)
anchors3.9.2 The Match-end-of-line Operator ($)
Awk2.2 Predefined Syntaxes

B
back references3.8 The Back-reference Operator (\digit)
backtracking3.4.1 The Match-zero-or-more Operator (*)
backtracking3.5 The Alternation Operator (| or \|)
beginning-of-line operator3.9.1 The Match-beginning-of-line Operator (^)
bracket expression3.6 List Operators ([ ... ] and [^ ... ])
buffer field, set by re_compile_pattern7.1.2 GNU Regular Expression Compiling
buffer initialization7.1.2 GNU Regular Expression Compiling

C
character classes3.6.1 Character Class Operators ([: ... :])

E
Egrep2.2 Predefined Syntaxes
Emacs2.2 Predefined Syntaxes
end in struct re_registers7.1.8 Using Registers
end-of-line operator3.9.2 The Match-end-of-line Operator ($)

F
fastmap initialization7.1.2 GNU Regular Expression Compiling
fastmap_accurate field, set by re_compile_pattern7.1.2 GNU Regular Expression Compiling
fastmaps7.1.6 Searching with Fastmaps

G
Grep2.2 Predefined Syntaxes
grouping3.7 Grouping Operators (( ... ) or \( ... \))

I
ignoring case7.2.2 POSIX Regular Expression Compiling
interval expression3.4.4 Interval Operators ({ ... } or \{ ... \})

M
matching list3.6 List Operators ([ ... ] and [^ ... ])
matching newline3.6 List Operators ([ ... ] and [^ ... ])
matching with GNU functions7.1.3 GNU Matching

N
newline_anchor field in pattern buffer3.9.1 The Match-beginning-of-line Operator (^)
nonmatching list3.6 List Operators ([ ... ] and [^ ... ])
not_bol field in pattern buffer3.9.1 The Match-beginning-of-line Operator (^)
num_regs in struct re_registers7.1.8 Using Registers

O
open-group operator and `^'3.9.1 The Match-beginning-of-line Operator (^)
or operator3.5 The Alternation Operator (| or \|)

P
parenthesizing3.7 Grouping Operators (( ... ) or \( ... \))
pattern buffer initialization7.1.2 GNU Regular Expression Compiling
pattern buffer, definition of7.1.1 GNU Pattern Buffers
POSIX Awk2.2 Predefined Syntaxes

R
range argument to re_search7.1.4 GNU Searching
RE_BACKSLASH_ESCAPE_IN_LIST2.1 Syntax Bits
RE_BK_PLUS_QM2.1 Syntax Bits
RE_CHAR_CLASSES2.1 Syntax Bits
RE_CONTEXT_INDEP_ANCHORS2.1 Syntax Bits
RE_CONTEXT_INDEP_ANCHORS (and `^')3.9.1 The Match-beginning-of-line Operator (^)
RE_CONTEXT_INDEP_OPS2.1 Syntax Bits
RE_CONTEXT_INVALID_OPS2.1 Syntax Bits
RE_DOT_NEWLINE2.1 Syntax Bits
RE_DOT_NOT_NULL2.1 Syntax Bits
RE_INTERVALS2.1 Syntax Bits
RE_LIMITED_OPS2.1 Syntax Bits
RE_NEWLINE_ALT2.1 Syntax Bits
RE_NO_BK_BRACES2.1 Syntax Bits
RE_NO_BK_PARENS2.1 Syntax Bits
RE_NO_BK_REFS2.1 Syntax Bits
RE_NO_BK_VBAR2.1 Syntax Bits
RE_NO_EMPTY_RANGES2.1 Syntax Bits
re_nsub field, set by re_compile_pattern7.1.2 GNU Regular Expression Compiling
re_pattern_buffer definition7.1.1 GNU Pattern Buffers
re_registers7.1.8 Using Registers
re_syntax_options initialization7.1.2 GNU Regular Expression Compiling
RE_UNMATCHED_RIGHT_PAREN_ORD2.1 Syntax Bits
REG_EXTENDED7.2.2 POSIX Regular Expression Compiling
REG_ICASE7.2.2 POSIX Regular Expression Compiling
REG_NEWLINE7.2.2 POSIX Regular Expression Compiling
REG_NOSUB7.2.2 POSIX Regular Expression Compiling
regex.c1. Overview
regex.h1. Overview
regexp anchoring3.9 Anchoring Operators
regmatch_t7.2.5 Using Byte Offsets
regs_allocated7.1.8 Using Registers
REGS_FIXED7.1.8 Using Registers
REGS_REALLOCATE7.1.8 Using Registers
REGS_UNALLOCATED7.1.8 Using Registers
regular expressions, syntax of2. Regular Expression Syntax

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