[#BloombergLP-bdlpcre-RegEx-prepare-0e]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlpcre.adoc[bdlpcre]::xref:BloombergLP/bdlpcre/RegEx.adoc[RegEx]::prepare
:relfileprefix: ../../../
:mrdocs:

Prepare this regular‐expression object with the specified `pattern`, discarding compile‐error text (pass a null `errorMessage`).

== Synopsis

Declared in `<bdlpcre_regex.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
prepare(
    xref:bsl/nullptr_t-08.adoc[bsl::nullptr_t] errorMessage,
    size_t* errorOffset,
    char const* pattern,
    int flags = 0,
    size_t jitStackSize = 0);
----


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