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Extract number from String and Sort by extracted number

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Posted on by mhawkins

I have a sharepoint list as my data source. In that list I have a column that has alphanumeric values that I need to remove the prefix and return the largest value number. (example AO9889) the letter prefix is always two characters but have several different combinations. (A-,AO,S-,SO,Q-,QO)

So in a list like this

AO9887

SO9888

Q-9889

A-9890

I would want a formula to return 9890

I have tried to create a calculated column in my sharepoint list but then ran into delegation issues.

Any help would be appreciated I am stuck on this.

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Building Power Apps

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RandyHayes 76,297 Super User 2024 Season 1 on at

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@mhawkins

Yes, you cannot delegate to calculated columns.

Trying to delegate this criteria is going to be a challenge though as you would need to account for each prefix to your column values.

If your datasource is not expected to be over 2000 items, then you can ignore delegation issues.

If it is going to be, then I would suggest a separate column in your list (a real number column) and let PowerAutomate populate it for you. Then you can simply sort that column descending and take the first record and column value.

I suspect that delegation is going to be an issue for you, so I am not mentioning how to do this in an un-delegable way.

I hope this is helpful for you.

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mhawkins on at

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I was afraid of that. I created a number column and set my form when adding a new record to that list to get the largest number from that column and add 1 to it.

Thank you for your help.

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