replace base64 regex string

flutter_quill_extensions/lib/utils/patterns.dart

@@ -1,5 +1,7 @@
 RegExp base64RegExp = RegExp(
-  r'^(?:[A-Za-z0-9+\/]{4})*(?:[A-Za-z0-9+\/]{2}==|[A-Za-z0-9+\/]{3}=|[A-Za-z0-9+\/]{4})$',
+  // Change the Regex String due to app crash on relase mode when the base64 string is too long
+  // r'^(?:[A-Za-z0-9+\/]{4})*(?:[A-Za-z0-9+\/]{2}==|[A-Za-z0-9+\/]{3}=|[A-Za-z0-9+\/]{4})$',
+    r'^(?:[A-Za-z0-9+\/][A-Za-z0-9+\/][A-Za-z0-9+\/][A-Za-z0-9+\/])*(?:[A-Za-z0-9+\/]{2}==|[A-Za-z0-9+\/]{3}=|[A-Za-z0-9+\/]{4})$',
 );
 
 final imageRegExp = RegExp(