:relfileprefix: ../../../../../
[#boost-urls-grammar-implementation_defined-charset_ref-find_if]

== xref:boost.adoc[pass:[boost]]::xref:boost/urls.adoc[pass:[urls]]::xref:boost/urls/grammar.adoc[pass:[grammar]]::xref:boost/urls/grammar/implementation_defined.adoc[pass:[implementation_defined]]::xref:boost/urls/grammar/implementation_defined/charset_ref.adoc[pass:[charset_ref]]::find_if



=== Synopsis

Declared in header `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/grammar/charset.hpp#L160[boost/url/grammar/charset.hpp,window=blank_]>`

[source,cpp,subs="verbatim,macros,-callouts"]
----
char const*
find_if(
    char const* first,
    char const* last) const noexcept;
----