Bug: Math Formula (Multi Column) with RegEx throws error

By selecting columns through RegEx in Math Formula (Multi Column) the error “At least one column must be selected”.

Manually selecting a column and than switching to RegEx select the error is not thrown.

Here are the examples when a file was manually selected before switching to RegEx selection:


Thank you very much for reporting this issue. I forwarded it to our developers.

Best,
Jeany