This workflow demonstrates how to remove i.e. clean multiple columns removing all words listed in reference table found in Input table without using loop. This is done using regexreplace() function in String Manipulation (Multi Column) node which can perform same operation on multiple columns. In addition check is implemented comparing expected results with output using Table Difference Finder node.
This is a companion discussion topic for the original entry at https://kni.me/w/1dQK8zMnwmVMffd4