[#absl-ascii_isxdigit]
= xref:absl.adoc[absl]::ascii_isxdigit
:relfileprefix: ../
:mrdocs:

Determines whether the given character can be represented as a hexadecimal digit character (i.e. {0‐9} or {A‐F} or {a‐f}).

== Synopsis

Declared in `<absl/strings/ascii.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
ascii_isxdigit(unsigned char c);
----

== Return Value

`true` if `c` is a hexadecimal digit, `false` otherwise.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *c*
| The character to test.
|===


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