@@ -888,10 +888,29 @@
 		/* Did not match and we're at the last char */
 		if (i == 0)
 			return SIZE_MAX;
 	}
 }
+
+- (BOOL)containsString: (OFString*)str
+{
+	const char *str_c = [str cString];
+	size_t str_len = [str cStringLength];
+	size_t i;
+
+	if (str_len == 0)
+		return YES;
+
+	if (str_len > length)
+		return NO;
+
+	for (i = 0; i <= length - str_len; i++)
+		if (!memcmp(string + i, str_c, str_len))
+			return YES;
+
+	return NO;
+}
 
 - (OFString*)substringFromIndex: (size_t)start
 			toIndex: (size_t)end
 {
 	if ([self isUTF8]) {