diff -Naur Search-Namazu-0.96-orig/Namazu.pm Search-Namazu-0.96/Namazu.pm
--- Search-Namazu-0.96-orig/Namazu.pm	2006-06-09 14:56:14.000000000 +0900
+++ Search-Namazu-0.96/Namazu.pm	2008-10-22 23:18:06.000000000 +0900
@@ -158,6 +158,38 @@
 the result is returned as a reference of array, contains
 Search::Namazu::ResultXS objects.
 
+=head3 logging
+
+Specify the logging mode. The following values can be used:
+
+=over 4
+
+=item B<NMZ_LOGGING_ON>
+
+Enable logging (this is the default value).
+
+=item B<NMZ_LOGGING_OFF>
+
+Disable logging.
+
+=back
+
+=head3 regex
+
+Specify whether regular-expression query is allowed. The following values can be used:
+
+=over 4
+
+=item B<NMZ_REGEX_ON>
+
+Allow regex query (this is the default value).
+
+=item B<NMZ_REGEX_OFF>
+
+Disallow regex query.
+
+=back
+
 =head2 Search::Namazu::Result
 
 Search::Namazu::Result object is for keeping result information.
@@ -253,6 +285,7 @@
 
 @EXPORT = qw(NMZ_SORTBYDATE NMZ_SORTBYSCORE NMZ_SORTBYFIELD
 NMZ_ASCENDSORT NMZ_DESCENDSORT
+NMZ_LOGGING_ON NMZ_LOGGING_OFF NMZ_REGEX_ON NMZ_REGEX_OFF
 NMZ_NOT_SPECIFIED_INDEX NMZ_ERR_INDEX NMZ_ERR_EMPTY_QUERY
 NMZ_ERR_RESULT_EXCEEDED);
 # %EXPORT_TAGS = (all => [qw()]);
@@ -268,6 +301,10 @@
 sub NMZ_SORTBYFIELD { return 3; }
 sub NMZ_ASCENDSORT { return 16; }
 sub NMZ_DESCENDSORT { return 32; }
+sub NMZ_LOGGING_ON { return 1; }
+sub NMZ_LOGGING_OFF { return 0; }
+sub NMZ_REGEX_ON { return 1; }
+sub NMZ_REGEX_OFF { return 0; }
 
 sub NMZ_NOT_SPECIFIED_INDEX { return -1; }
 sub NMZ_ERR_INDEX { return -2; }
@@ -290,6 +327,8 @@
     my $returnas = $args{'returnas'};
     my $maxget = $args{'maxget'} || $maxhit;
     my $fields = $args{'fields'};
+    my $logging = $args{'logging'};
+    my $regex = $args{'regex'};
 
 # initialize
 
@@ -336,6 +375,18 @@
     }
     nmz_setmaxhit($maxhit);
 
+    if ((defined $logging) && ($logging == NMZ_LOGGING_OFF)) {
+       nmz_setloggingmode(0);
+    } else {
+       nmz_setloggingmode(1);
+    }
+
+    if ((defined $regex) && ($regex == NMZ_REGEX_OFF)) {
+       nmz_setregexsearchmode(0);
+    } else {
+       nmz_setregexsearchmode(1);
+    }
+
 # query and get hlist
 
     if (!defined $query) {
diff -Naur Search-Namazu-0.96-orig/Namazu.xs Search-Namazu-0.96/Namazu.xs
--- Search-Namazu-0.96-orig/Namazu.xs	2006-06-09 14:48:58.000000000 +0900
+++ Search-Namazu-0.96/Namazu.xs	2008-10-22 23:14:23.000000000 +0900
@@ -331,6 +331,20 @@
 	CODE:
 		nmz_set_maxhit(max);
 
+void
+nmz_setloggingmode(mode)
+	int mode
+
+	CODE:
+		nmz_set_loggingmode(mode);
+
+void
+nmz_setregexsearchmode(mode)
+	int mode
+
+	CODE:
+		nmz_set_regex_searchmode(mode);
+
 int
 nmz_getstatus()
 	CODE: