Possible to create nested arrays? Array of arrays?

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Posted on by NicolásN

I'm trying to transpose an HTML table by splitting it into rows and columns, like this:

'Get items' action with a filter, the amount of items fetched can be anywhere between 1-4.
'Create HTML table' action.
Turn HTML table into string and erasing/replacing every tag that is not </tr> or </td>.
'Split' string with '</tr>' delimiter, resulting in an array of rows.
'Apply to each' and loop thorugh the array of rows splitting each element with '</td>' delimiter, resulting in inner arrays of columns.

I thought I could then 'Append to array variable' into an array of arrays so I can later figure how to loop through it an recompose the HTML table. Turns out Power Automate doesn't handle nested arrays?

Is there any way I can store the inner arrays into the outer array? I can't join them or use union because I loose the table original dimensions.

Or better yet: is there a simpler way yo transpose an HTML table without using a third-party app?

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ivan_apps 2,187 Moderator on at

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You can use an append to a string variable and add a json string from your extract. You’d be building a long string but then you can use the ParseJSON action to recreate the object/array that you will iterate.

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Chriddle 8,436 Super User 2025 Season 2 on at

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I'm not sure if I understood that, is that what you're looking for?

https://community.powerplatform.com/forums/thread/details/?threadid=6fc448d0-723d-496e-8674-b9d79a5775aa

Otherwise an example would help ;)

In general, converting HTML with string manipulation is tedious and error-prone and XML could be a way out.

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