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

Return the position of the last non‐matching character in `string`.

== Synopsis

Declared in `<bdlb_stringrefutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
xref:BloombergLP/bdlb/StringRefUtil/size_type.adoc[size_type]
findLastNotOf(
    xref:BloombergLP/bslstl/StringRef.adoc[bslstl::StringRef] const& string,
    xref:BloombergLP/bslstl/StringRef.adoc[bslstl::StringRef] const& characters,
    xref:BloombergLP/bdlb/StringRefUtil/size_type.adoc[size_type] position = k_NPOS);
----

== Description

Return the position of the _last_ occurrence of a character _not_ belonging to the specified `characters`, if such an occurrence can be found in the specified `string` (on or _before_ the optionally specified `position` if such a `position` is specified), and return `k_NPOS` otherwise.

== Return Value

index of the last non‐match, or `k_NPOS`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *string*
| string to search
| *characters*
| characters to exclude
| *position*
| highest index to consider
|===


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