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

== 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
  

[source,cpp,subs="verbatim,macros,-callouts"]
----
constexpr
xref:boost/urls/grammar/string_view_base/size_type.adoc[size_type]
xref:boost/urls/grammar/string_view_base/rfind-0ed.adoc[pass:[rfind]](
    core::string_view str,
    xref:boost/urls/grammar/string_view_base/size_type.adoc[size_type] pos = core::string_view::npos) const noexcept;
----

[source,cpp,subs="verbatim,macros,-callouts"]
----
constexpr
xref:boost/urls/grammar/string_view_base/size_type.adoc[size_type]
xref:boost/urls/grammar/string_view_base/rfind-0eb.adoc[pass:[rfind]](
    char c,
    xref:boost/urls/grammar/string_view_base/size_type.adoc[size_type] pos = core::string_view::npos) const noexcept;
----

[source,cpp,subs="verbatim,macros,-callouts"]
----
constexpr
xref:boost/urls/grammar/string_view_base/size_type.adoc[size_type]
xref:boost/urls/grammar/string_view_base/rfind-0b.adoc[pass:[rfind]](
    char const* s,
    xref:boost/urls/grammar/string_view_base/size_type.adoc[size_type] pos,
    xref:boost/urls/grammar/string_view_base/size_type.adoc[size_type] n) const noexcept;
----

[source,cpp,subs="verbatim,macros,-callouts"]
----
constexpr
xref:boost/urls/grammar/string_view_base/size_type.adoc[size_type]
xref:boost/urls/grammar/string_view_base/rfind-0d.adoc[pass:[rfind]](
    char const* s,
    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`