Replace last letter of Variable with the next in sequence

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Posted on by Skybluekid

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Hi,

I am curious. I have a variable XXX C0006A. Is it possible to resubmit the variable and change the A to B, XXX C0006B in a flow?

Then Change to a C if required.

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Building flows

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fchopo 8,003 Moderator on at

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Hi @Skybluekid

You could use the following expression:

replace(outputs('compose'),last(outputs('compose')),'B')

Hope that helps!

Ferran

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Skybluekid 254 on at

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Hi @fchopo
thank you for the reply. I was thinking more changing the letter dynamically i.e. if the variable contains XXX C0006A, then it would automatically change to XXX C0006B, without any hardcoding.

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grantjenkins 11,063 Moderator on at

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A few questions.

What do you do with XXX C0006Z - what should it change to?

Will the variable always be in the same format? Will it always be the last letter you need to change?

Below is one way to do it.

See full flow below. I'll go into each of the actions. Note that they are all Compose action - I've just renamed them.

The expression I used in the Output is:

concat( substring(outputs('Input'), 0, sub(length(outputs('Input')), 1)), substring(outputs('AZ'), add(indexOf(outputs('AZ'), last(outputs('Input'))), 1), 1) )

Note that in AZ I added A at the end so if the code ends with Z it will be set as A. Not sure what you would want to do in your scenario.

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Skybluekid 254 on at

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Hi @grantjenkins

Thank you for the reply. I would not anticipate that it would get to Z, in the case of the actual flow. I will give this a try.

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Chriddle 8,443 Super User 2025 Season 2 on at

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concat( slice('XXX C0006A', 0 , -1), chunk('ABCDEFGHIJKLMNOPQRSTUVWXYZ', 1)[ add(indexOf('ABCDEFGHIJKLMNOPQRSTUVWXYZ', last('XXX C0006A')), 1) ] )

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Skybluekid 254 on at

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Thank you both for the assistance

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