diff --git a/scintilla/include/BoostRegexSearch.h b/scintilla/include/BoostRegexSearch.h
new file mode 100644
index 000000000..8c03a6b7f
--- /dev/null
+++ b/scintilla/include/BoostRegexSearch.h
@@ -0,0 +1,6 @@
+#ifndef BOOSTREGEXSEARCH_H
+#define BOOSTREGEXSEARCH_H
+
+#define SCFIND_REGEXP_DOTMATCHESNL 0x10000000
+
+#endif
\ No newline at end of file