[#bsl-basic_string-0ce-rfind-0d]
= xref:bsl.adoc[bsl]::xref:bsl/basic_string-0ce.adoc[basic_string<char16_t>]::rfind
:relfileprefix: ../../
:mrdocs:

Same as the three‐argument `rfind` overload with default position.

== Synopsis

Declared in `<bslstl_string.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/basic_string-0ce/size_type.adoc[size_type]
rfind(
    char16_t const* characterString,
    xref:bsl/basic_string-0ce/size_type.adoc[size_type] position = npos) const;
----


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