[#BloombergLP-bdlb-String-areEqualCaseless-09d]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/String.adoc[String]::areEqualCaseless
:relfileprefix: ../../../
:mrdocs:

Return whether two C‐style strings compare equal ignoring case.

== Synopsis

Declared in `<bdlb_string.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
bool
areEqualCaseless(
    char const* lhsString,
    char const* rhsString);
----

== Description

Compare for equality the specified `lhsString` and `rhsString` having the optionally specified `lhsLength` and `rhsLength`, respectively, _as if_ the strings were converted to lower case before the equality comparison. Return `true` if `lhsString` is equal to `rhsString`, and `false` otherwise. The behavior is undefined unless `0 <= lhsLength` and `0 <= rhsLength` (if specified), and `lhsString.size() <= INT_MAX` and `rhsString.size() <= INT_MAX` (if applicable). See {`bdlb_stringviewutil`} for an identically named method having the same semantics taking `bsl::string_view`.

== Return Value

`true` if the strings compare equal ignoring case

== Parameters

[cols="1,4"]
|===
| Name| Description
| *lhsString*
| left‐hand null‐terminated string
| *rhsString*
| right‐hand null‐terminated string
|===


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