[#BloombergLP-bdlb-StringRefUtil-strrstrCaseless]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/StringRefUtil.adoc[StringRefUtil]::strrstrCaseless
:relfileprefix: ../../../
:mrdocs:

Return a `bslstl::StringRef` object referring to the last occurrence in (the referent data of) the specified `string` at which (the referent data of) the specified `subString` is found using case‐insensitive comparisons, or `bslstl::StringRef()` if there is no such occurrence. See {Caseless Comparisons}. If `subString` has zero length then a zero‐length reference to the end of `string` is returned (i.e., `bslstl::StringRef(string.end(), 0)`);

== Synopsis

Declared in `<bdlb_stringrefutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
xref:BloombergLP/bslstl/StringRef.adoc[bslstl::StringRef]
strrstrCaseless(
    xref:BloombergLP/bslstl/StringRef.adoc[bslstl::StringRef] const& string,
    xref:BloombergLP/bslstl/StringRef.adoc[bslstl::StringRef] const& subString);
----


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