:relfileprefix: ../../../
[#boost-urls-grammar-ci_is_equal]

== xref:boost.adoc[pass:[boost]]::xref:boost/urls.adoc[pass:[urls]]::xref:boost/urls/grammar.adoc[pass:[grammar]]::ci_is_equal

  


Return true if s0 equals s1 using case-insensitive comparison



=== Synopsis
  

[source,cpp,subs="verbatim,macros,-callouts"]
----
template<
    class String0,
    class String1>
bool
xref:boost/urls/grammar/ci_is_equal-0a.adoc[pass:[ci_is_equal]](
    String0 const& s0,
    String1 const& s1);
----

[source,cpp,subs="verbatim,macros,-callouts"]
----
bool
xref:boost/urls/grammar/ci_is_equal-0b.adoc[pass:[ci_is_equal]](
    core::string_view s0,
    core::string_view s1) noexcept;
----
  
=== Description


The function is defined only for strings
containing low-ASCII characters.
[,cpp]
----
assert( ci_is_equal( "Boost", "boost" ) );
----







=== See Also


xref:boost/urls/grammar/ci_compare.adoc[ci_compare]
,
xref:boost/urls/grammar/ci_is_less.adoc[ci_is_less]
.