:relfileprefix: ../../../
[#boost-urls-grammar-all_chars]

== xref:boost.adoc[pass:[boost]]::xref:boost/urls.adoc[pass:[urls]]::xref:boost/urls/grammar.adoc[pass:[grammar]]::all_chars


The set of all characters


=== Synopsis

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

[source,cpp,subs="verbatim,macros,-callouts"]
----
constexpr
pass:q[_implementation-defined_] all_chars = all_chars{};
----

=== Description


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



=== See Also


xref:boost/urls/grammar/find_if.adoc[find_if]
,
xref:boost/urls/grammar/find_if_not.adoc[find_if_not]
,
xref:boost/urls/grammar/parse-02.adoc[parse]
,
xref:boost/urls/grammar/token_rule.adoc[token_rule]
.