Since this is checking user input in the form of a prompt (rather than input from a file) the suggestions you have made would be sufficient. However in your suggestion whether this would cover it 
m[CDC\w+(?:,\s+\w+){2}]

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How is the DDC.... catered for ?. My regex skills are at the beginner level hence my question. Thanks.

In reply to Re^2: A tidier regex ? by Anonymous Monk
in thread A tidier regex ? by Anonymous Monk

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