Removes trailing characters (whitespaces by default) from each string element.
Remove trailing "M" characters from the Title column:
>>> view = catalog.get_view("GROCERYCUSTOMER")
>>> view["TitleStrip"] = view["Title"].str.rstrip(".")
>>> view.preview(5).filter(regex="Title")
Title TitleStrip
0 Ms. Ms
1 Ms. Ms
2 Mr. Mr
3 Mrs. Mrs
4 Mr. Mr