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How to to regex here


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I have a CSV file which has more than 50k records and i want to convert this using regex 

Item Code,,Qty


,Serial No.,








,Serial No.,



and I want to convert this data to below format:

ItemCode,Serial Number,Qty

CMAC-389109,"954zg5, ffnaw8, gh8731, gxj419, hc6y9q, y65vh8",6




Can i achieve this using find and replacement ?


Any help will be highly appreciated.

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This is not a job for regular expressions.


Read the file line by line and build up a list of serial numbers for each item. When you're done accumulating for each one (ie, when you read a new item or hit the end of the file), write the complete item back out to a new file. Or not a new file and read everything before you re-open and write.

Edited by requinix
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