Excel Formula: How to increment-alphanumeric-column-by-1 Part 2

Posted on 2016-07-27
Last Modified: 2016-07-28
This is a follow up to previous question posted:

Received a valid, correct answer to that post (thank you Ryan).  I would like to go ahead an inquire and expand on the previous question posted.

My SKU pattern is MPSK-00001-001.  The prefix of the pattern is constant "MPSK". The dashes are part of the pattern and must be retained. And finally must retain leading zeros, padding zeros.

Would like to auto increment the middle part of the pattern the "00001" portion of the pattern +1 when column D(vendor) has a value.  From a previous post I applied the formula =IF(D2="","", "MPSK-" & TEXT(COUNTA($D$2:D2),"00000")&"-001") and this produced desired results to generate the main SKU base.

When column D (vendor)  is blank increment the SKU suffix portion of the pattern +1.  How to nest IF, or how to accomplish the else portion of this question?

The datasheet that I have in Excel I can not add more columns.  So I need to apply the formula starting from column N, and carry it forward to however far I need to drag it down in the future as the list grows.  

Screen shot items in column N(variant SKU) black color were populated with the formula of =IF(D2="","", "MPSK-" & TEXT(COUNTA($D$2:D2),"00000")&"-001") , items in green are the desired additional output.  How to extend the previous code formula is the follow up question.
desired output
Question by:mrrmpc
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LVL 31

Expert Comment

by:Subodh Tiwari (Neeraj)
ID: 41732395
Please try this....

In N2

Open in new window

and copy it down.
LVL 51

Accepted Solution

Rgonzo1971 earned 260 total points
ID: 41732400

pls try

= "MPSK-" & TEXT(COUNTA($D$2:D2),"00000")&"-"&TEXT(IF(D2="",RIGHT(N1,3)+1,1),"000")

Open in new window

LVL 31

Assisted Solution

by:Subodh Tiwari (Neeraj)
Subodh Tiwari (Neeraj) earned 240 total points
ID: 41732407

In your previous formula, you were referring to col. G. Why? Though you tweaked it later.

Also your tweaked formula will keep populating col. N even if there is not data in col. D. ;)
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LVL 51

Expert Comment

ID: 41732409
That's right but looking at the example in the first question it shouldn't be a problem
LVL 31

Expert Comment

by:Subodh Tiwari (Neeraj)
ID: 41732411
I think user always copy such formulas down the rows in advance and like the formula cells to populate automatically once they fill the column of interest. That's the usual practice. :)
LVL 51

Expert Comment

ID: 41732412
then use
=IF(D2&I2="","","MPSK-" & TEXT(COUNTA($D$2:D2),"00000")&"-"&TEXT(IF(D2="",RIGHT(G1,3)+1,1),"000"))

Open in new window


Author Comment

ID: 41732914
In testing the code solutions out, thank you both for responding so quickly, both appeared to work.  The file right now has over 2K row entries that needed to be SKU'd.  The only difference I caught was the loss of the dash in suffix portion of the sku pattern when tested @Neeraj though I modified and appeared to work.

Again thank you both very much.

= "MPSK-" & TEXT(COUNTA($D$2:D2),"00000")&"-"&TEXT(IF(D2="",RIGHT(N1,3)+1,1),"000")
@ Neeraj
LVL 31

Expert Comment

by:Subodh Tiwari (Neeraj)
ID: 41732939
Ah that means I posted the wrong formula. I corrected it but forgot to post and posted the wrong one instead.
My bad.

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