Protection of tags and regexes in CSV import should work as follows:

1. Protect MQM tags within the CSVs to ensure that they are imported and destroyed by one of the next steps
2. Protect everything per REGEX, that is marked in the task-template as to be protected by REGEX BEFORE tag-parsing
3. if tag protection in the task template is enabled
   • If a segment is valid XML, protect all Tags
   • If segment is not valid XML: Protect all known HTML5 tags
4. Protect everything per REGEX, that is marked in the task-template as to be protected by REGEX AFTER tag-parsing
5. Protect Whitespace (linebreaks and multiple spaces
6. Protect all XML-special-chars that are left by encoding them as entities