Using txt filter to only show results with a name that contains less than 15 characters.

[royalsirrine]

When using the filter option in excel, we can use the text filter to create a view using the does not contain option and as the value enter ??????????????? to represent 15 characters. This will then show only items that have less than 15 characters in a host name. How can I mimic this kind of filter in PowerBI? It appears the "?" value does not carry over. 

Thx

[Anonymous]

Hi @royalsirrine ,

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Hope it helps,

Community Support Team _ Caitlyn

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[AlexisOlson · Accepted solution]

Using the GUI, apply any text filter to the column, say equals "a".

The query editor will then generate a step with code like 

= Table.SelectRows(#"Changed Type", each [Column1] = "a")

Now replace each [Column1] = "a" with the conditions you actually want.

= Table.SelectRows(#"Changed Type", each Text.Length([Column1]) < 15)

[smpa01]

@royalsirrine  or you can use fully qualified regex. 

/^[A-Za-z]{6}$/gm

returns true for string with exact 6 characters in length

to use the above in PQ

let
    Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45WcnRydnFVitWJVkpMSk5JRbDSwUyQNFAwFgA=", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type nullable text) meta [Serialized.Text = true]) in type table [Column1 = _t]),
    #"Changed Type" = Table.TransformColumnTypes(Source,{{"Column1", type text}}),
    fx = let   fx =(input)=>
    Web.Page(
        "<script>
            var x='"&input&"';
            var b = x.match(/^[A-Za-z]{6}$/gm);
            document.write(b);
        </script>"){0}[Data]{0}[Children]{1}[Children]    
in
    fx,
    #"Added Custom" = Table.AddColumn(#"Changed Type", "Custom", each fx([Column1])),
    #"Expanded Custom" = Table.ExpandTableColumn(#"Added Custom", "Custom", {"Text"}, {"Text"}),
    #"Filtered Rows" = Table.SelectRows(#"Expanded Custom", each ([Text] = "abcdeg"))
in
    #"Filtered Rows"

I wish this was also in DAX.

For complex regex, ask here or stackoverflow is your friend.

[parry2k]

@royalsirrine I don't think wildcard functionality available in Power BI

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