[#BloombergLP-bdljsn-NumberUtil-isValidNumber]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdljsn.adoc[bdljsn]::xref:BloombergLP/bdljsn/NumberUtil.adoc[NumberUtil]::isValidNumber
:relfileprefix: ../../../
:mrdocs:

Return `true` if the specified `value` is a valid JSON number.

== Synopsis

Declared in `<bdljsn_numberutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
bool
isValidNumber(std::string_view const& value);
----

== Description

Note that this function may return `true` even if `value` cannot be represented in any particular number type.

== Return Value

`true` if `value` is a valid JSON number, and `false` otherwise

== Parameters

[cols="1,4"]
|===
| Name| Description
| *value*
| text to validate as a JSON number
|===


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