[#boost-urls-grammar-all_chars]
= xref:boost.adoc[boost]::xref:boost/urls.adoc[urls]::xref:boost/urls/grammar.adoc[grammar]::all_chars
:relfileprefix: ../../../
:mrdocs:


The set of all characters

== Synopsis


Declared in `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/grammar/all_chars.hpp#L99[boost/url/grammar/all_chars.hpp]>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
inline constexpr /* implementation-defined */::xref:boost/urls/grammar/implementation_defined/all_chars_t.adoc[all_chars_t] all_chars = all_chars{};
----

== Description



=== Example

Character sets are used with rules and the    functions xref:boost/urls/grammar/find_if.adoc[find_if] and xref:boost/urls/grammar/find_if_not.adoc[find_if_not].

[,cpp]
----
system::result< core::string_view > rv = parse( "JohnDoe", token_rule( all_chars ) );
----

=== BNF

[,cpp]
----
ALL       = %x00-FF
----


== See Also


xref:boost/urls/grammar/find_if.adoc[find&lowbar;if],        xref:boost/urls/grammar/find_if_not.adoc[find&lowbar;if&lowbar;not],        xref:boost/urls/grammar/parse-02.adoc[parse],        xref:boost/urls/grammar/token_rule.adoc[token&lowbar;rule]&period;






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