[#BloombergLP-bdlpcre-RegEx-numSubpatterns]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlpcre.adoc[bdlpcre]::xref:BloombergLP/bdlpcre/RegEx.adoc[RegEx]::numSubpatterns
:relfileprefix: ../../../
:mrdocs:

Return the number of sub‐patterns in the pattern held by this regular‐expression object (`pattern()`). The behavior is undefined unless `isPrepared() == true`.

== Synopsis

Declared in `<bdlpcre_regex.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
numSubpatterns() const;
----


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