[#boost-urls-grammar-ci_is_equal-0b9]
= xref:boost.adoc[boost]::xref:boost/urls.adoc[urls]::xref:boost/urls/grammar.adoc[grammar]::ci_is_equal
:relfileprefix: ../../../
:mrdocs:

Return true if s0 equals s1 using case‐insensitive comparison

== Synopsis

Declared in `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/grammar/ci_string.hpp#L204[boost/url/grammar/ci_string.hpp]>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
ci_is_equal(
    core::string_view s0,
    core::string_view s1) noexcept;
----

== Description

The function is defined only for strings containing low‐ASCII characters.

== Example
[,cpp]
----
assert( ci_is_equal( "Boost", "boost" ) );
----
== Return Value

`true` if `s0` case‐insensitively equals `s1`, otherwise `false`

== Parameters

[cols=2]
|===
| Name
| Description
| *s0*
| The first string
| *s1*
| The second string
|===

== See Also

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


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