Decrement Variable is Apparently Using New Math?

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So, I have made a flow that's triggered by a new email showing up in a specific folder.

I turn the HTML into text and begin scraping information out of the text.

I isolate a specific line of text and retrieve the position of the '%' sign. Position 47.

I set variable textPosition to the result of the Find Text Position action--47.

And my next step is to decrement that variable by three (3). Now, I realize I am old and still use the old math, so 47 take away 3 should always be 44. Or am I confused?

29?!?!?!?

So I grab the needed substring, and end up with 157, instead of the desired ' 33'

Apparently Decrement Variable is broken. I have been unsuccessful in writing an expression that basically means dynamic content variable 'textposition - 3'. This seems like a much easier solution.

Can it be done?

Frank D. Puthuff
Dell Technology

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Building flows

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shoog 2,164 on at

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You could use the following expression to eliminate the variable:

sub(body('Find_text_position_of_percent_sign'),3)

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