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Newbie question: How to capture values that aren't recognized as dates?

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I am importing data from an Excel file.  Two of the fields are supposed to contain dates, but because the values are entered by hand sometimes they aren't entered in a way that is recognizable by Alteryx as a date.  For example, "11/8/`6" is entered instead of "11/8/16".

 

Less than 1% of the records have this kind of error, so what I'd like to do is have Alteryx read the other 99% directly (say with a Select tool), while diverting the ones that can't be read to a separate workstream so that I can do the string parsing, etc., that is necessary to clean them.

 

I'm new to Alteryx and can't figure out how to capture those records that would generate a conversion error.  Basically looking implement a Boolean check akin to an IsDate function (since that doesn't exist).

 

Thanks in advance!

Jennifer L.


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