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# PEGTL Documentation * [Project](https://github.com/taocpp/PEGTL) * [Getting Started](Getting-Started.md) * [Installing and Using](Installing-and-Using.md) * [Requirements](Installing-and-Using.md#requirements) * [Filesystem](Installing-and-Using.md#filesystem) * [Disabling Exceptions](Installing-and-Using.md#disabling-exceptions) * [Disabling RTTI](Installing-and-Using.md#disabling-rtti) * [Installation Packages](Installing-and-Using.md#installation-packages) * [Using Vcpkg](Installing-and-Using.md#using-vcpkg) * [Using Conan](Installing-and-Using.md#using-conan) * [Using CMake](Installing-and-Using.md#using-cmake) * [CMake Installation](Installing-and-Using.md#cmake-installation) * [`find_package`](Installing-and-Using.md#find_package) * [`add_subdirectory`](Installing-and-Using.md#add_subdirectory) * [Mixing `find_package` and `add_subdirectory`](Installing-and-Using.md#mixing-find_package-and-add_subdirectory) * [Manual Installation](Installing-and-Using.md#manual-installation) * [Embedding the PEGTL](Installing-and-Using.md#embedding-the-pegtl) * [Embedding in Binaries](Installing-and-Using.md#embedding-in-binaries) * [Embedding in Libraries](Installing-and-Using.md#embedding-in-libraries) * [Embedding in Library Interfaces](Installing-and-Using.md#embedding-in-library-interfaces) * [Single Header Version](Installing-and-Using.md#single-header-version) * [Rules and Grammars](Rules-and-Grammars.md) * [Combining Existing Rules](Rules-and-Grammars.md#combining-existing-rules) * [Toy S-Expression Grammar](Rules-and-Grammars.md#toy-s-expression-grammar) * [Creating New Rules](Rules-and-Grammars.md#creating-new-rules) * [Simple Rules](Rules-and-Grammars.md#simple-rules) * [Complex Rules](Rules-and-Grammars.md#complex-rules) * [Actions and States](Actions-and-States.md) * [Overview](Actions-and-States.md#overview) * [Example](Actions-and-States.md#example) * [States](Actions-and-States.md#states) * [Apply](Actions-and-States.md#apply) * [Apply0](Actions-and-States.md#apply0) * [Inheriting](Actions-and-States.md#inheriting) * [Specialising](Actions-and-States.md#specialising) * [Changing Actions](Actions-and-States.md#changing-actions) * [Via Rules](Actions-and-States.md#via-rules) * [Via Actions](Actions-and-States.md#via-actions) * [Changing States](Actions-and-States.md#changing-states) * [Via Rules](Actions-and-States.md#via-rules-1) * [Via Actions](Actions-and-States.md#via-actions-1) * [Changing Actions and States](Actions-and-States.md#changing-actions-and-states) * [Match](Actions-and-States.md#match) * [Nothing](Actions-and-States.md#nothing) * [Backtracking](Actions-and-States.md#backtracking) * [Troubleshooting](Actions-and-States.md#troubleshooting) * [Boolean Return](Actions-and-States.md#boolean-return) * [State Mismatch](Actions-and-States.md#state-mismatch) * [Legacy Actions](Actions-and-States.md#legacy-actions) * [Errors and Exceptions](Errors-and-Exceptions.md) * [Global Failure](Errors-and-Exceptions.md#global-failure) * [Local to Global Failure](Errors-and-Exceptions.md#local-to-global-failure) * [Intrusive Local to Global Failure](Errors-and-Exceptions.md#intrusive-local-to-global-failure) * [Non-Intrusive Local to Global Failure](Errors-and-Exceptions.md#non-intrusive-local-to-global-failure) * [Global to Local Failure](Errors-and-Exceptions.md#global-to-local-failure) * [Examples for Must Rules](Errors-and-Exceptions.md#examples-for-must-rules) * [Custom Exception Messages](Errors-and-Exceptions.md#custom-exception-messages) * [Rule Reference](Rule-Reference.md) * [Meta Rules](Rule-Reference.md#meta-rules) * [Combinators](Rule-Reference.md#combinators) * [Convenience](Rule-Reference.md#convenience) * [Action Rules](Rule-Reference.md#action-rules) * [Atomic Rules](Rule-Reference.md#atomic-rules) * [ASCII Rules](Rule-Reference.md#ascii-rules) * [Unicode Rules](Rule-Reference.md#unicode-rules) * [ICU Support](Rule-Reference.md#icu-support) * [Basic ICU Rules](Rule-Reference.md#basic-icu-rules) * [ICU Rules for Binary Properties](Rule-Reference.md#icu-rules-for-binary-properties) * [ICU Rules for Enumerated Properties](Rule-Reference.md#icu-rules-for-enumerated-properties) * [ICU Rules for Value Properties](Rule-Reference.md#icu-rules-for-value-properties) * [Binary Rules](Rule-Reference.md#binary-rules) * [Full Index](Rule-Reference.md#full-index) * [Inputs and Parsing](Inputs-and-Parsing.md) * [Tracking Mode](Inputs-and-Parsing.md#tracking-mode) * [Line Ending](Inputs-and-Parsing.md#line-ending) * [Source](Inputs-and-Parsing.md#source) * [File Input](Inputs-and-Parsing.md#file-input) * [Memory Input](Inputs-and-Parsing.md#memory-input) * [String Input](Inputs-and-Parsing.md#string-input) * [Stream Inputs](Inputs-and-Parsing.md#stream-inputs) * [Argument Input](Inputs-and-Parsing.md#argument-input) * [Parse Function](Inputs-and-Parsing.md#parse-function) * [Nested Parsing](Inputs-and-Parsing.md#nested-parsing) * [Incremental Input](Inputs-and-Parsing.md#incremental-input) * [Buffer Size](Inputs-and-Parsing.md#buffer-size) * [Discard Buffer](Inputs-and-Parsing.md#discard-buffer) * [Custom Rules](Inputs-and-Parsing.md#custom-rules) * [Custom Readers](Inputs-and-Parsing.md#custom-readers) * [Buffer Details](Inputs-and-Parsing.md#buffer-details) * [Error Reporting](Inputs-and-Parsing.md#error-reporting) * [Deduction Guides](Inputs-and-Parsing.md#deduction-guides) * [Control and Debug](Control-and-Debug.md) * [Normal Control](Control-and-Debug.md#normal-control) * [Control Functions](Control-and-Debug.md#control-functions) * [Exception Throwing](Control-and-Debug.md#exception-throwing) * [Advanced Control](Control-and-Debug.md#advanced-control) * [Changing Control](Control-and-Debug.md#changing-control) * [Parse Tree](Parse-Tree.md) * [Full Parse Tree](Parse-Tree.md#full-parse-tree) * [Partial Parse Tree](Parse-Tree.md#partial-parse-tree) * [Transforming Nodes](Parse-Tree.md#transforming-nodes) * [Transformer](Parse-Tree.md#transformer) * [`tao::pegtl::parse_tree::node`](Parse-Tree.md#taopegtlparse_treenode) * [Custom Node Class](Parse-Tree.md#custom-node-class) * [Requirements](Parse-Tree.md#requirements) * [Meta Data and Visit](Meta-Data-and-Visit.md) * [Internals](Meta-Data-and-Visit.md#internals) * [Rule Type](Meta-Data-and-Visit.md#rule-type) * [Sub Rules](Meta-Data-and-Visit.md#sub-rules) * [Grammar Visit](Meta-Data-and-Visit.md#grammar-visit) * [Grammar Print](Meta-Data-and-Visit.md#grammar-print) * [Rule Coverage](Meta-Data-and-Visit.md#rule-coverage) * [Contrib and Examples](Contrib-and-Examples.md) * [Contrib](Contrib-and-Examples.md#contrib) * [Examples](Contrib-and-Examples.md#examples) * [Grammar Analysis](Grammar-Analysis.md) * [Running](Grammar-Analysis.md#running) * [Example](Grammar-Analysis.md#example) * [Requirements](Grammar-Analysis.md#requirements) * [Limitations](Grammar-Analysis.md#limitations) * [Changelog](Changelog.md) * [Migration Guide](Migration-Guide.md) # Rule Reference Index * [`action< A, R... >`](Rule-Reference.md#action-a-r-) [(meta rules)](Rule-Reference.md#meta-rules) * [`alnum`](Rule-Reference.md#alnum) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`alpha`](Rule-Reference.md#alpha) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`alphabetic`](Rule-Reference.md#alphabetic) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`any`](Rule-Reference.md#any) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`any`](Rule-Reference.md#any-1) [(unicode rules)](Rule-Reference.md#unicode-rules) * [`any`](Rule-Reference.md#any-2) [(binary rules)](Rule-Reference.md#binary-rules) * [`apply< A... >`](Rule-Reference.md#apply-a-) [(action rules)](Rule-Reference.md#action-rules) * [`apply0< A... >`](Rule-Reference.md#apply0-a-) [(action rules)](Rule-Reference.md#action-rules) * [`ascii_hex_digit`](Rule-Reference.md#ascii_hex_digit) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`at< R... >`](Rule-Reference.md#at-r-) [(combinators)](Rule-Reference.md#combinators) * [`bidi_class< V >`](Rule-Reference.md#bidi_class-v-) [(icu rules)](Rule-Reference.md#icu-rules-for-enumerated-properties) * [`bidi_control`](Rule-Reference.md#bidi_control) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`bidi_mirrored`](Rule-Reference.md#bidi_mirrored) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`binary_property`](Rule-Reference.md#binary_property-p-) [(icu rules)](Rule-Reference.md#basic-icu-rules) * [`binary_property< P, V >`](Rule-Reference.md#binary_property-p-v-) [(icu rules)](Rule-Reference.md#basic-icu-rules) * [`blank`](Rule-Reference.md#blank) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`block< V >`](Rule-Reference.md#block-v-) [(icu rules)](Rule-Reference.md#icu-rules-for-enumerated-properties) * [`bof`](Rule-Reference.md#bof) [(atomic rules)](Rule-Reference.md#atomic-rules) * [`bol`](Rule-Reference.md#bol) [(atomic rules)](Rule-Reference.md#atomic-rules) * [`bom`](Rule-Reference.md#bom) [(unicode rules)](Rule-Reference.md#unicode-rules) * [`bytes< Num >`](Rule-Reference.md#bytes-num-) [(atomic rules)](Rule-Reference.md#atomic-rules) * [`canonical_combining_class< V >`](Rule-Reference.md#canonical_combining_class-v-) [(icu rules)](Rule-Reference.md#icu-rules-for-value-properties) * [`case_sensitive`](Rule-Reference.md#case_sensitive) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`control< C, R... >`](Rule-Reference.md#control-c-r-) [(meta rules)](Rule-Reference.md#meta-rules) * [`dash`](Rule-Reference.md#dash) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`decomposition_type< V >`](Rule-Reference.md#decomposition_type-v-) [(icu rules)](Rule-Reference.md#icu-rules-for-enumerated-properties) * [`default_ignorable_code_point`](Rule-Reference.md#default_ignorable_code_point) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`deprecated`](Rule-Reference.md#deprecated) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`diacritic`](Rule-Reference.md#diacritic) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`digit`](Rule-Reference.md#digit) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`disable< R... >`](Rule-Reference.md#disable-r-) [(meta rules)](Rule-Reference.md#meta-rules) * [`discard`](Rule-Reference.md#discard) [(meta rules)](Rule-Reference.md#meta-rules) * [`east_asian_width< V >`](Rule-Reference.md#east_asian_width-v-) [(icu rules)](Rule-Reference.md#icu-rules-for-enumerated-properties) * [`enable< R... >`](Rule-Reference.md#enable-r-) [(meta-rules)](Rule-Reference.md#meta-rules) * [`eof`](Rule-Reference.md#eof) [(atomic rules)](Rule-Reference.md#atomic-rules) * [`eol`](Rule-Reference.md#eol) [(atomic rules)](Rule-Reference.md#atomic-rules) * [`eolf`](Rule-Reference.md#eolf) [(atomic rules)](Rule-Reference.md#atomic-rules) * [`extender`](Rule-Reference.md#extender) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`failure`](Rule-Reference.md#failure) [(atomic rules)](Rule-Reference.md#atomic-rules) * [`forty_two< C... >`](Rule-Reference.md#forty_two-c-) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`full_composition_exclusion`](Rule-Reference.md#full_composition_exclusion) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`general_category< V >`](Rule-Reference.md#general_category-v-) [(icu rules)](Rule-Reference.md#icu-rules-for-enumerated-properties) * [`grapheme_base`](Rule-Reference.md#grapheme_base) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`grapheme_cluster_break< V >`](Rule-Reference.md#grapheme_cluster_break-v-) [(icu rules)](Rule-Reference.md#icu-rules-for-enumerated-properties) * [`grapheme_extend`](Rule-Reference.md#grapheme_extend) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`grapheme_link`](Rule-Reference.md#grapheme_link) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`hangul_syllable_type< V >`](Rule-Reference.md#hangul_syllable_type-v-) [(icu rules)](Rule-Reference.md#icu-rules-for-enumerated-properties) * [`hex_digit`](Rule-Reference.md#hex_digit) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`hyphen`](Rule-Reference.md#hyphen) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`id_continue`](Rule-Reference.md#id_continue) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`id_start`](Rule-Reference.md#id_start) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`identifier_first`](Rule-Reference.md#identifier_first) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`identifier_other`](Rule-Reference.md#identifier_other) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`identifier`](Rule-Reference.md#identifier) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`ideographic`](Rule-Reference.md#ideographic) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`ids_binary_operator`](Rule-Reference.md#ids_binary_operator) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`ids_trinary_operator`](Rule-Reference.md#ids_trinary_operator) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`if_apply< R, A... >`](Rule-Reference.md#if_apply-r-a-) [(action rules)](Rule-Reference.md#action-rules) * [`if_must< R, S... >`](Rule-Reference.md#if_must-r-s-) [(convenience)](Rule-Reference.md#convenience) * [`if_must_else< R, S, T >`](Rule-Reference.md#if_must_else-r-s-t-) [(convenience)](Rule-Reference.md#convenience) * [`if_then_else< R, S, T >`](Rule-Reference.md#if_then_else-r-s-t-) [(convenience)](Rule-Reference.md#convenience) * [`istring< C... >`](Rule-Reference.md#istring-c-) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`join_control`](Rule-Reference.md#join_control) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`joining_group< V >`](Rule-Reference.md#joining_group-v-) [(icu rules)](Rule-Reference.md#icu-rules-for-enumerated-properties) * [`joining_type< V >`](Rule-Reference.md#joining_type-v-) [(icu rules)](Rule-Reference.md#icu-rules-for-enumerated-properties) * [`keyword< C... >`](Rule-Reference.md#keyword-c-) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`lead_canonical_combining_class< V >`](Rule-Reference.md#lead_canonical_combining_class-v-) [(icu rules)](Rule-Reference.md#icu-rules-for-value-properties) * [`line_break< V >`](Rule-Reference.md#line_break-v-) [(icu rules)](Rule-Reference.md#icu-rules-for-enumerated-properties) * [`list< R, S >`](Rule-Reference.md#list-r-s-) [(convenience)](Rule-Reference.md#convenience) * [`list< R, S, P >`](Rule-Reference.md#list-r-s-p-) [(convenience)](Rule-Reference.md#convenience) * [`list_must< R, S >`](Rule-Reference.md#list_must-r-s-) [(convenience)](Rule-Reference.md#convenience) * [`list_must< R, S, P >`](Rule-Reference.md#list_must-r-s-p-) [(convenience)](Rule-Reference.md#convenience) * [`list_tail< R, S >`](Rule-Reference.md#list_tail-r-s-) [(convenience)](Rule-Reference.md#convenience) * [`list_tail< R, S, P >`](Rule-Reference.md#list_tail-r-s-p-) [(convenience)](Rule-Reference.md#convenience) * [`logical_order_exception`](Rule-Reference.md#logical_order_exception) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`lower`](Rule-Reference.md#lower) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`lowercase`](Rule-Reference.md#lowercase) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`mask_not_one< M, C... >`](Rule-Reference.md#mask_not_one-m-c-) [(binary rules)](Rule-Reference.md#binary-rules) * [`mask_not_range< M, C, D >`](Rule-Reference.md#mask_not_range-m-c-d-) [(binary rules)](Rule-Reference.md#binary-rules) * [`mask_one< M, C... >`](Rule-Reference.md#mask_one-m-c-) [(binary rules)](Rule-Reference.md#binary-rules) * [`mask_range< M, C, D >`](Rule-Reference.md#mask_range-m-c-d-) [(binary rules)](Rule-Reference.md#binary-rules) * [`mask_ranges< M, C1, D1, C2, D2, ... >`](Rule-Reference.md#mask_ranges-m-c1-d1-c2-d2--) [(binary rules)](Rule-Reference.md#binary-rules) * [`mask_ranges< M, C1, D1, C2, D2, ..., E >`](Rule-Reference.md#mask_ranges-m-c1-d1-c2-d2--e-) [(binary rules)](Rule-Reference.md#binary-rules) * [`mask_string< M, C... >`](Rule-Reference.md#mask_string-m-c-) [(binary rules)](Rule-Reference.md#binary-rules) * [`math`](Rule-Reference.md#math) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`minus< M, S >`](Rule-Reference.md#minus-m-s-) [(convenience)](Rule-Reference.md#convenience) * [`must< R... >`](Rule-Reference.md#must-r-) [(convenience)](Rule-Reference.md#convenience) * [`nfc_inert`](Rule-Reference.md#nfc_inert) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`nfd_inert`](Rule-Reference.md#nfd_inert) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`nfkc_inert`](Rule-Reference.md#nfkc_inert) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`nfkd_inert`](Rule-Reference.md#nfkd_inert) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`noncharacter_code_point`](Rule-Reference.md#noncharacter_code_point) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`not_at< R... >`](Rule-Reference.md#not_at-r-) [(combinators)](Rule-Reference.md#combinators) * [`not_one< C... >`](Rule-Reference.md#not_one-c-) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`not_one< C... >`](Rule-Reference.md#not_one-c--1) [(unicode rules)](Rule-Reference.md#unicode-rules) * [`not_one< C... >`](Rule-Reference.md#not_one-c--2) [(binary rules)](Rule-Reference.md#binary-rules) * [`not_range< C, D >`](Rule-Reference.md#not_range-c-d-) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`not_range< C, D >`](Rule-Reference.md#not_range-c-d--1) [(unicode rules)](Rule-Reference.md#unicode-rules) * [`not_range< C, D >`](Rule-Reference.md#not_range-c-d--2) [(binary rules)](Rule-Reference.md#binary-rules) * [`nul`](Rule-Reference.md#nul) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`numeric_type< V >`](Rule-Reference.md#numeric_type-v-) [(icu rules)](Rule-Reference.md#icu-rules-for-enumerated-properties) * [`odigit`](Rule-Reference.md#odigit) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`one< C... >`](Rule-Reference.md#one-c-) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`one< C... >`](Rule-Reference.md#one-c--1) [(unicode rules)](Rule-Reference.md#unicode-rules) * [`one< C... >`](Rule-Reference.md#one-c--2) [(binary rules)](Rule-Reference.md#binary-rules) * [`opt< R... >`](Rule-Reference.md#opt-r-) [(combinators)](Rule-Reference.md#combinators) * [`opt_must< R, S...>`](Rule-Reference.md#opt_must-r-s-) [(convenience)](Rule-Reference.md#convenience) * [`pad< R, S, T = S >`](Rule-Reference.md#pad-r-s-t--s-) [(convenience)](Rule-Reference.md#convenience) * [`pad_opt< R, P >`](Rule-Reference.md#pad_opt-r-p-) [(convenience)](Rule-Reference.md#convenience) * [`pattern_syntax`](Rule-Reference.md#pattern_syntax) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`pattern_white_space`](Rule-Reference.md#pattern_white_space) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`plus< R... >`](Rule-Reference.md#plus-r-) [(combinators)](Rule-Reference.md#combinators) * [`posix_alnum`](Rule-Reference.md#posix_alnum) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`posix_blank`](Rule-Reference.md#posix_blank) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`posix_graph`](Rule-Reference.md#posix_graph) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`posix_print`](Rule-Reference.md#posix_print) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`posix_xdigit`](Rule-Reference.md#posix_xdigit) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`print`](Rule-Reference.md#print) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`property_value< P, V >`](Rule-Reference.md#property_value-p-v-) [(icu rules)](Rule-Reference.md#basic-icu-rules) * [`quotation_mark`](Rule-Reference.md#quotation_mark) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`radical`](Rule-Reference.md#radical) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`raise< T >`](Rule-Reference.md#raise-t-) [(atomic rules)](Rule-Reference.md#atomic-rules) * [`range< C, D >`](Rule-Reference.md#range-c-d-) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`range< C, D >`](Rule-Reference.md#range-c-d--1) [(unicode rules)](Rule-Reference.md#unicode-rules) * [`range< C, D >`](Rule-Reference.md#range-c-d--2) [(binary rules)](Rule-Reference.md#binary-rules) * [`ranges< C1, D1, C2, D2, ... >`](Rule-Reference.md#ranges-c1-d1-c2-d2--) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`ranges< C1, D1, C2, D2, ... >`](Rule-Reference.md#ranges-c1-d1-c2-d2---1) [(unicode rules)](Rule-Reference.md#unicode-rules) * [`ranges< C1, D1, C2, D2, ... >`](Rule-Reference.md#ranges-c1-d1-c2-d2---2) [(binary rules)](Rule-Reference.md#binary-rules) * [`ranges< C1, D1, C2, D2, ..., E >`](Rule-Reference.md#ranges-c1-d1-c2-d2--e-) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`ranges< C1, D1, C2, D2, ..., E >`](Rule-Reference.md#ranges-c1-d1-c2-d2--e--1) [(unicode rules)](Rule-Reference.md#unicode-rules) * [`ranges< C1, D1, C2, D2, ..., E >`](Rule-Reference.md#ranges-c1-d1-c2-d2--e--2) [(binary rules)](Rule-Reference.md#binary-rules) * [`rematch< R, S... >`](Rule-Reference.md#rematch-r-s-) [(convenience)](Rule-Reference.md#convenience) * [`rep< Num, R... >`](Rule-Reference.md#rep-num-r-) [(convenience)](Rule-Reference.md#convenience) * [`rep_max< Max, R... >`](Rule-Reference.md#rep_max-max-r-) [(convenience)](Rule-Reference.md#convenience) * [`rep_min< Min, R... >`](Rule-Reference.md#rep_min-min-r-) [(convenience)](Rule-Reference.md#convenience) * [`rep_min_max< Min, Max, R... >`](Rule-Reference.md#rep_min_max-min-max-r-) [(convenience)](Rule-Reference.md#convenience) * [`rep_opt< Num, R... >`](Rule-Reference.md#rep_opt-num-r-) [(convenience)](Rule-Reference.md#convenience) * [`require< Num >`](Rule-Reference.md#require-num-) [(meta-rules)](Rule-Reference.md#meta-rules) * [`s_term`](Rule-Reference.md#s_term) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`segment_starter`](Rule-Reference.md#segment_starter) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`sentence_break< V >`](Rule-Reference.md#sentence_break-v-) [(icu rules)](Rule-Reference.md#icu-rules-for-enumerated-properties) * [`seq< R... >`](Rule-Reference.md#seq-r-) [(combinators)](Rule-Reference.md#combinators) * [`seven`](Rule-Reference.md#seven) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`shebang`](Rule-Reference.md#shebang) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`soft_dotted`](Rule-Reference.md#soft_dotted) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`sor< R... >`](Rule-Reference.md#sor-r-) [(combinators)](Rule-Reference.md#combinators) * [`space`](Rule-Reference.md#space) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`star< R... >`](Rule-Reference.md#star-r-) [(combinators)](Rule-Reference.md#combinators) * [`star_must< R, S... >`](Rule-Reference.md#star_must-r-s-) [(convenience)](Rule-Reference.md#convenience) * [`state< S, R... >`](Rule-Reference.md#state-s-r-) [(meta rules)](Rule-Reference.md#meta-rules) * [`string< C... >`](Rule-Reference.md#string-c-) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`string< C... >`](Rule-Reference.md#string-c--1) [(unicode rules)](Rule-Reference.md#unicode-rules) * [`string< C... >`](Rule-Reference.md#string-c--2) [(binary rules)](Rule-Reference.md#binary-rules) * [`success`](Rule-Reference.md#success) [(atomic rules)](Rule-Reference.md#atomic-rules) * [`TAO_PEGTL_ISTRING( "..." )`](Rule-Reference.md#tao_pegtl_istring--) [(ascii rules)](Rule-Reference.md#ascii_rules) * [`TAO_PEGTL_KEYWORD( "..." )`](Rule-Reference.md#tao_pegtl_keyword--) [(ascii rules)](Rule-Reference.md#ascii_rules) * [`TAO_PEGTL_STRING( "..." )`](Rule-Reference.md#tao_pegtl_string--) [(ascii rules)](Rule-Reference.md#ascii_rules) * [`terminal_punctuation`](Rule-Reference.md#terminal_punctuation) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`three< C >`](Rule-Reference.md#three-c-) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`trail_canonical_combining_class< V >`](Rule-Reference.md#trail_canonical_combining_class-v-) [(icu rules)](Rule-Reference.md#icu-rules-for-value-properties) * [`try_catch< R... >`](Rule-Reference.md#try_catch-r-) [(convenience)](Rule-Reference.md#convenience) * [`try_catch_type< E, R... >`](Rule-Reference.md#try_catch_type-e-r-) [(convenience)](Rule-Reference.md#convenience) * [`two< C >`](Rule-Reference.md#two-c-) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`unified_ideograph`](Rule-Reference.md#unified_ideograph) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`until< R >`](Rule-Reference.md#until-r-) [(convenience)](Rule-Reference.md#convenience) * [`until< R, S... >`](Rule-Reference.md#until-r-s-) [(convenience)](Rule-Reference.md#convenience) * [`upper`](Rule-Reference.md#upper) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`uppercase`](Rule-Reference.md#uppercase) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`variation_selector`](Rule-Reference.md#variation_selector) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`white_space`](Rule-Reference.md#white_space) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`word_break< V >`](Rule-Reference.md#word_break-v-) [(icu rules)](Rule-Reference.md#icu-rules-for-enumerated-properties) * [`xdigit`](Rule-Reference.md#xdigit) [(ascii rules)](Rule-Reference.md#ascii-rules) * [`xid_continue`](Rule-Reference.md#xid_continue) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) * [`xid_start`](Rule-Reference.md#xid_start) [(icu rules)](Rule-Reference.md#icu-rules-for-binary-properties) Copyright (c) 2014-2022 Dr. Colin Hirsch and Daniel Frey