:relfileprefix: ../../../../
[#boost-urls-grammar-string_view_base-rfind-03]

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


Return the position of matching characters


=== Synopsis

Declared in header `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/grammar/string_view_base.hpp#L527[boost/url/grammar/string_view_base.hpp,window=blank_]>`

[source,cpp,subs="verbatim,macros,-callouts"]
----
constexpr
xref:boost/urls/grammar/string_view_base/size_type.adoc[size_type]
rfind(
    char c,
    xref:boost/urls/grammar/string_view_base/size_type.adoc[size_type] pos = core::string_view::npos) const noexcept;
----

=== Description


See `core::string_view::rfind`