[#BloombergLP-bslfmt-FormatterSpecificationNumericValue-parse]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslfmt.adoc[bslfmt]::xref:BloombergLP/bslfmt/FormatterSpecificationNumericValue.adoc[FormatterSpecificationNumericValue]::parse
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:mrdocs:

Parse the string in the random‐access‐iterator range specified by `start` and `end` to extract either a hard‐coded integer or a nested argument specification. If the specified `needInitialDot` is true the string is only parsed if `*start == '.'` and a `format_error` exception is thrown if the string following the initial dot is empty. If an error occurs throw an exception of type `format_error`, otherwise update the output `start` iterator to point to the first unparsed character of the string and store the parsed result into this object.

== Synopsis

Declared in `<bslfmt_formatterspecificationnumericvalue.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_ITER>
constexpr
void
parse(
    t_ITER* start,
    t_ITER end,
    bool needInitialDot);
----


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