[#BloombergLP-bdlpcre-RegEx-_04enum-07]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlpcre.adoc[bdlpcre]::xref:BloombergLP/bdlpcre/RegEx.adoc[RegEx]::Unnamed enum
:relfileprefix: ../../../
:mrdocs:

Flags that may be supplied to `prepare` to affect matching behavior&period;

== Synopsis

Declared in `&lt;bdlpcre&lowbar;regex&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
enum Unnamed enum;
----

== Members

[cols="1,4"]
|===
| Name| Description
| `k&lowbar;FLAG&lowbar;CASELESS` 
| Case&hyphen;insensitive matching&period;
| `k&lowbar;FLAG&lowbar;DOTMATCHESALL` 
| Dot metacharacter matches all characters (including newlines)&period;
| `k&lowbar;FLAG&lowbar;MULTILINE` 
| Multi&hyphen;line matching&period;
| `k&lowbar;FLAG&lowbar;UTF8` 
| UTF&hyphen;8 support&period;
| `k&lowbar;FLAG&lowbar;JIT` 
| Just&hyphen;in&hyphen;time compiling optimization requested&period;
| `k&lowbar;FLAG&lowbar;DUPNAMES` 
| Allow duplicate named groups (sub&hyphen;patterns)&period;
|===



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