Data Laundry, Again

July 13, 2018

Data laundry is the act of cleaning data, as when it arrives in one format and must be translated to another, or when external data must be checked for validity. We looked at data laundry in a previous exercise. We return to it today because I have been doing data laundry all week, handling data from a new vendor. Today’s task is similar to one I have been doing this week; convert the input to the output shown below, changing all appearances of the string ABCDE to an incrementally-numbered string with a prefix:

ABCDE This is some text.
This is more text. ABCDE, ABCDE.
ABCDE And this is [ABCDE] still more text.
X1 This is some text.
This is more text. X2, X3.
X4 And this is [X5] still more text.

Your task is to write a program to perform the data laundry shown above. When you are finished, you are welcome to read or run a suggested solution, or to post your own solution or discuss the exercise in the comments below.

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