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

Return `true` if the specified `text` complies with the grammar of a JSON number, and `false` otherwise. See the {JSON Textual Specification}.

== Synopsis

Declared in `<bdljsn_jsonnumber.h>`

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


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