fix export error for non-unicode numbers

1 files changed, 1 insertions, 1 deletions

diff --git a/src/main/java/de/pixart/messenger/services/ExportBackupService.java b/src/main/java/de/pixart/messenger/services/ExportBackupService.java
index 0d976c484..ade2ca685 100644
--- a/src/main/java/de/pixart/messenger/services/ExportBackupService.java
+++ b/src/main/java/de/pixart/messenger/services/ExportBackupService.java
@@ -209,7 +209,7 @@ public class ExportBackupService extends Service {
             final String value = cursor.getString(i);
             if (value == null) {
                 builder.append("NULL");
-            } else if (value.matches("\\d+")) {
+            } else if (value.matches("[0-9]+")) {
                 builder.append(value);
             } else {
                 DatabaseUtils.appendEscapedSQLString(builder, value);