[#bsl-basic_string-0e-find_last_of-02]
= xref:bsl.adoc[bsl]::xref:bsl/basic_string-0e.adoc[basic_string<wchar_t>]::find_last_of
:relfileprefix: ../../
:mrdocs:

Return the position of the last occurrence of the specified `characterString` substring, or `npos` if not found.

== Synopsis

Declared in `<bslstl_string.h>`

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


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