[#boost-urls-grammar-find_if]
= xref:boost/urls/grammar/find_if.adoc[boost::urls::grammar::find_if]
:relfileprefix: ../../../
:mrdocs:

Find the first character in the string that is in the set.

== Synopsis

Declared in `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/grammar/charset.hpp#L144[boost/url/grammar/charset.hpp]>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<xref:boost/urls/grammar/CharSet.adoc[CharSet] CS>
char const*
find_if(
    char const const* first,
    char const const* last,
    CS const& cs) noexcept;
----

== Description

== Exception Safety
Throws nothing.

== Return Value

A pointer to the found character, otherwise the value `last`.

== Parameters

[cols=2]
|===
| Name
| Description
| *first*
| A pointer to the first character in the string to search.
| *last*
| A pointer to one past the last character in the string to search.
| *cs*
| The character set to use.
|===

== See Also

xref:boost/urls/grammar/find_if_not.adoc[`find_if_not`].


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