Index
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Menu

$: Match-end-of-line Operator

(: Grouping Operators

): Grouping Operators

*: Match-zero-or-more Operator

+: Match-one-or-more Operator

-: List Operators

.: Match-any-character Operator

: ] in regex: Character Class Operators

?: Match-zero-or-one Operator

[: List Operators

[: in regex: Character Class Operators

[^: List Operators

\ <1>: List Operators

\: The Backslash Character

\': Match-end-of-buffer Operator

\(: Grouping Operators

\): Grouping Operators

\<: Match-beginning-of-word Operator

\>: Match-end-of-word Operator

\`: Match-beginning-of-buffer Operator

\B: Match-within-word Operator

\b: Match-word-boundary Operator

\s: Match-syntactic-class Operator

\S: Match-not-syntactic-class Operator

\W: Match-non-word-constituent Operator

\w: Match-word-constituent Operator

\{: Interval Operators

\|: Alternation Operator

\}: Interval Operators

]: List Operators

^ <1>: List Operators

^: Match-beginning-of-line Operator

allocated initialization: GNU Regular Expression Compiling

alternation operator: Alternation Operator

alternation operator and ^: Match-beginning-of-line Operator

anchoring: Anchoring Operators

anchors <1>: Match-beginning-of-line Operator

anchors: Match-end-of-line Operator

Awk: Predefined Syntaxes

back references: Back-reference Operator

backtracking <1>: Match-zero-or-more Operator

backtracking: Alternation Operator

beginning-of-line operator: Match-beginning-of-line Operator

bracket expression: List Operators

buffer field, set by re_compile_pattern: GNU Regular Expression Compiling

buffer initialization: GNU Regular Expression Compiling

character classes: Character Class Operators

Egrep: Predefined Syntaxes

Emacs: Predefined Syntaxes

end in struct re_registers: Using Registers

end-of-line operator: Match-end-of-line Operator

fastmap initialization: GNU Regular Expression Compiling

fastmap_accurate field, set by re_compile_pattern: GNU Regular Expression Compiling

fastmaps: Searching with Fastmaps

Grep: Predefined Syntaxes

grouping: Grouping Operators

ignoring case: POSIX Regular Expression Compiling

interval expression: Interval Operators

matching list: List Operators

matching newline: List Operators

matching with GNU functions: GNU Matching

newline_anchor field in pattern buffer: Match-beginning-of-line Operator

nonmatching list: List Operators

not_bol field in pattern buffer: Match-beginning-of-line Operator

num_regs in struct re_registers: Using Registers

open-group operator and ^: Match-beginning-of-line Operator

or operator: Alternation Operator

parenthesizing: Grouping Operators

pattern buffer initialization: GNU Regular Expression Compiling

pattern buffer, definition of: GNU Pattern Buffers

POSIX Awk: Predefined Syntaxes

range argument to re_search: GNU Searching

RE_BACKSLASH_ESCAPE_IN_LIST: Syntax Bits

RE_BK_PLUS_QM: Syntax Bits

RE_CHAR_CLASSES: Syntax Bits

RE_CONTEXT_INDEP_ANCHORS: Syntax Bits

RE_CONTEXT_INDEP_ANCHORS (and ^): Match-beginning-of-line Operator

RE_CONTEXT_INDEP_OPS: Syntax Bits

RE_CONTEXT_INVALID_OPS: Syntax Bits

RE_DOT_NEWLINE: Syntax Bits

RE_DOT_NOT_NULL: Syntax Bits

RE_INTERVALS: Syntax Bits

RE_LIMITED_OPS: Syntax Bits

RE_NEWLINE_ALT: Syntax Bits

RE_NO_BK_BRACES: Syntax Bits

RE_NO_BK_PARENS: Syntax Bits

RE_NO_BK_REFS: Syntax Bits

RE_NO_BK_VBAR: Syntax Bits

RE_NO_EMPTY_RANGES: Syntax Bits

re_nsub field, set by re_compile_pattern: GNU Regular Expression Compiling

re_pattern_buffer definition: GNU Pattern Buffers

re_registers: Using Registers

re_syntax_options initialization: GNU Regular Expression Compiling

RE_UNMATCHED_RIGHT_PAREN_ORD: Syntax Bits

REG_EXTENDED: POSIX Regular Expression Compiling

REG_ICASE: POSIX Regular Expression Compiling

REG_NEWLINE: POSIX Regular Expression Compiling

REG_NOSUB: POSIX Regular Expression Compiling

regex.c: Overview

regex.h: Overview

regexp anchoring: Anchoring Operators

regmatch_t: Using Byte Offsets

regs_allocated: Using Registers

REGS_FIXED: Using Registers

REGS_REALLOCATE: Using Registers

REGS_UNALLOCATED: Using Registers

regular expressions, syntax of: Regular Expression Syntax

searching with GNU functions: GNU Searching

start argument to re_search: GNU Searching

start in struct re_registers: Using Registers

struct re_pattern_buffer definition: GNU Pattern Buffers

subexpressions: Grouping Operators

syntax bits: Syntax Bits

syntax field, set by re_compile_pattern: GNU Regular Expression Compiling

syntax initialization: GNU Regular Expression Compiling

syntax of regular expressions: Regular Expression Syntax

translate initialization: GNU Regular Expression Compiling

used field, set by re_compile_pattern: GNU Regular Expression Compiling

word boundaries, matching: Match-word-boundary Operator

{: Interval Operators

|: Alternation Operator

}: Interval Operators