RIGHT_FIND
Searching right to left, finds strings that match a specified string from the source column or from a custom value, and returns the result in a new column.
Parameters
- 
                
sourceColumn– The name of an existing column. - 
                
pattern– A regular expression to search for. - 
                
position– The character position to begin with, from the right end of the string. - 
                
ignoreCase– Iftrue, ignore differences of case (between uppercase and lowercase) among letters. To enforce strict matching, usefalseinstead. - 
                
targetColumn– The name of the new column to be created. 
Example
{ "RecipeAction": { "Operation": "RIGHT_FIND", "Parameters": { "sourceColumn": "nationality", "pattern": "s", "position": "1", "ignoreCase": "true", "targetColumn": "ends_with_an_s" } } }