[#bsl-basic_string-0faf-find_first_not_of-086]
= xref:bsl.adoc[bsl]::xref:bsl/basic_string-0faf.adoc[basic&lowbar;string]::find&lowbar;first&lowbar;not&lowbar;of
:relfileprefix: ../../
:mrdocs:

Return the position of the first character in this string that is not found in the specified `characterString`, or `npos` if not found&period;

== Synopsis

Declared in `&lt;bslstl&lowbar;string&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/basic_string-0faf/size_type.adoc[size&lowbar;type]
find&lowbar;first&lowbar;not&lowbar;of(
    CHAR&lowbar;TYPE const* characterString,
    xref:bsl/basic_string-0faf/size_type.adoc[size&lowbar;type] position = 0) const;
----


[.small]#Created with https://www.mrdocs.com[MrDocs]#
