delete special characters or words

[mlauber71]

@umutcankurt maybe you can clarify what you want to see as a result, maybe with a few examples and edge cases. Would the commas remain?

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]