:relfileprefix: ../../../../
[#AF891490BD1857F7C0D3A42D26647F4E35D4B5AA]

= Function string_view_base::find_first_of

pass:v,q[Return the position of the first match]


== Synopsis

Declared in header `</boost/url/grammar/string_view_base.hpp#L587[boost/url/grammar/string_view_base.hpp,window=blank_]>`

[source,cpp,subs="verbatim,macros,-callouts"]
----
constexpr
xref:boost/urls/grammar/string_view_base/size_type.adoc[size_type]
find_first_of(
    const char* s,
    xref:boost/urls/grammar/string_view_base/size_type.adoc[size_type] pos,
    xref:boost/urls/grammar/string_view_base/size_type.adoc[size_type] n) const noexcept;
----

== Description

pass:v,q[See `core::string_view::find_first_of`]



== Return Value

* `size_type` 


== Parameters

|===
| Name | Type 

| *s*
| ``

| *pos*
| `size_type`

| *n*
| `size_type`

|===