[#BloombergLP-bdlb-CharType-isUpper]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/CharType.adoc[CharType]::isUpper
:relfileprefix: ../../../
:mrdocs:

Return whether `character` is an uppercase letter.

== Synopsis

Declared in `<bdlb_chartype.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
bool
isUpper(char character);
----

== Description

Return `true` if the specified `character` is in the `UPPER` category (i.e., `[A‐Z]`), and `false` otherwise.

== Return Value

`true` if `character` is an uppercase letter, and `false` otherwise

== Parameters

[cols="1,4"]
|===
| Name| Description
| *character*
| character to classify
|===


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