How to remove the last part of a URL

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Posted on by Spawn10

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Still trying to wrap my head around using certain functions. I have a textbox where users are entering in the URL to their site. I want to be able to extract the part of the site that I need, especially if they past in a link to a document library. So for instance I am getting URLs like...

https://myDomain.SharePoint.com/sites/mySiteCollection/myDocLib/Forms/Allitems.aspx

https://myDomain.SharePoint.com/sites/mySiteCollection/mySubSite/docLibrary/Forms/Allitems.aspx

It should not matter if I am getting a top site collection or a subsite, I want to be able to just extract the site/subsite. Right now, I am doing something like this

Left(myTextBox.Text, Find("/Forms", myTextBox.Text)-1)

...and this is giving me outputs like...

https://myDomain.SharePoint.com/sites/mySiteCollection/myDocLib

https://myDomain.SharePoint.com/sites/mySiteCollection/mySubSite/docLibrary

this is getting me close to my desired output, but I still want to remove the text from the last "/". Without knowing the length of the name of the document library, how do I get my desired output which should be like...

https://myDomain.SharePoint.com/sites/mySiteCollection/

https://myDomain.SharePoint.com/sites/mySiteCollection/mySubSite/

Thanks in advance.

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Building Power Apps

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Nandit 1,568 Moderator on at

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Hi Spawn10,

I have come up with a solution to this which works for the two examples you shared and should work for any link to a document library. Here is the formula:
If( //Checking if its a Doc Lib link !IsBlank( Find( "Forms", TextInputCanvas1.Value ) ), //First removing everyting after /Forms in the link Left( Left( TextInputCanvas1.Value, Find( "/Forms", TextInputCanvas1.Value ) - 1 ), //findind the last / char before the document library name and using it to get the all the text before it With( { _link: Left( TextInputCanvas1.Value, Find( "/Forms", TextInputCanvas1.Value ) - 1 ), _lookingFor: "/" }, If( EndsWith( _link, _lookingFor ), Len(_link), Find( _lookingFor & Last( Split( _link, _lookingFor ) ).Value, _link ) ) ) ), //Plain Link if its a direct link to a site or subsite TextInputCanvas1.Value )

I hope this is helpful.

Kind regards,

Nandit

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mmbr1606 14,605 Super User 2025 Season 2 on at

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hey

can u try this approach:

Left( myTextBox.Text, Find( "|", Substitute(myTextBox.Text, "/", "|", Len(myTextBox.Text) - Len(Substitute(myTextBox.Text, "/", ""))) ) )

if this helped please mark as verified answer so we can also help others.

thanks

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Meekou 200 Moderator on at

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Due to the dynamic length of site and library name, we will not be able to use string extract the base site url.

Are your provided site url are real exist?

If so, you could try to get all the site urls by graph api and then compare it with your text string to find the most match site url.

PowerApps add Office365Groups connector

Add a button with code below:

Set(SiteList, Office365Groups.HttpRequest("https://graph.microsoft.com/v1.0/sites?$select=webUrl&search=*","GET","").value); Set(Sites, SortByColumns(ForAll(SiteList,{WebUrl: Text(ThisRecord.webUrl),Length: Len(ThisRecord.webUrl)}),"Length",SortOrder.Descending)); Set(MapSite, LookUp(Sites, !IsBlank(Find(WebUrl,myTextBox.Text))))

Run and check the result

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timl 36,393 Super User 2025 Season 2 on at

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Here's how you can adapt your original formula to remove the last part of the URL.

As you say, you were close. The adaptation below splits your output by the / character and outputs all the elements, excluding the final chunk that corresponds to the last part of the URL.

With( {splitUrl: Split(Left(myTextBox.Text, Find("/Forms", myTextBox.Text)-1), "/")}, Concat(FirstN(splitUrl, CountRows(splitUrl)-1), Value, "/") )

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