[#BloombergLP-bdlpcre-RegEx-_04enum-0e]
= 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 `replace` to affect replacement 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;REPLACE&lowbar;LITERAL` 
| The replacement string is treated as literal text&period;
| `k&lowbar;REPLACE&lowbar;GLOBAL` 
| Replace all occurrences in the subject&period;
| `k&lowbar;REPLACE&lowbar;EXTENDED` 
| Perform extended replacement processing&period;
| `k&lowbar;REPLACE&lowbar;UNKNOWN&lowbar;UNSET` 
| Treat an unknown group as unset&period;
| `k&lowbar;REPLACE&lowbar;UNSET&lowbar;EMPTY` 
| Insert an empty string for a simple unset group&period;
|===



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