How to strip whitespace in elements of table columns?

[mlauber71]

@azsb1g19 it could look something like this:

Tree Ensemble Learner does not recognize newlines in column names (include/exclude filter does)

@tims you could use a regex function and a “Insert Column Header” node to clear your variable names. The logic is you remove everything that is not explicitly permitted. In this case a blank is OK. You might edit that to your needs. regexReplace($Column Name$,"[^a-zA-Z0-9 ]","") [image]

(you might have to edit it to your needs)