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robinshalabh
New Member

Text Contains Query in power query

Dear all,

I am new to M code. I am trying to create a column A based on data in Column B. Column A objective is to get column B data if Column B contains text. For e.g. if column B contains BNP, then, Column A should have full text of cells containing BNP in column B.

 

can anybody help me.

 

 

1 ACCEPTED SOLUTION
Jimmy801
Community Champion
Community Champion

Hello @robinshalabh 

 

the problem I see with the solution from @Payeras_BI  is if you have a column that is formated as text not as any. This would mean, everey value is text and so you will get not the desired result. When you use this formula, it should always work

let 
Check = try Number.From([ColumnB])
in 
if Check[HasError] = true then [ColumnB] else null

Here the complete code example

let
    Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45WcvILUIrViVYyNDIG045gEi4KJk3BpJlSbCwA", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type nullable text) meta [Serialized.Text = true]) in type table [ColumnB = _t]),
    #"Changed Type" = Table.TransformColumnTypes(Source,{{"ColumnB", type text}}),
    #"Added Custom" = Table.AddColumn(#"Changed Type", "ColumnA", each let 
Check = try Number.From([ColumnB])
in 
if Check[HasError] = true then [ColumnB] else null)
in
    #"Added Custom"

transform this

Jimmy801_0-1615543370842.png

 

into this

Jimmy801_1-1615543384708.png

 

View solution in original post

2 REPLIES 2
Jimmy801
Community Champion
Community Champion

Hello @robinshalabh 

 

the problem I see with the solution from @Payeras_BI  is if you have a column that is formated as text not as any. This would mean, everey value is text and so you will get not the desired result. When you use this formula, it should always work

let 
Check = try Number.From([ColumnB])
in 
if Check[HasError] = true then [ColumnB] else null

Here the complete code example

let
    Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45WcvILUIrViVYyNDIG045gEi4KJk3BpJlSbCwA", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type nullable text) meta [Serialized.Text = true]) in type table [ColumnB = _t]),
    #"Changed Type" = Table.TransformColumnTypes(Source,{{"ColumnB", type text}}),
    #"Added Custom" = Table.AddColumn(#"Changed Type", "ColumnA", each let 
Check = try Number.From([ColumnB])
in 
if Check[HasError] = true then [ColumnB] else null)
in
    #"Added Custom"

transform this

Jimmy801_0-1615543370842.png

 

into this

Jimmy801_1-1615543384708.png

 

Payeras_BI
Super User
Super User

Hi @robinshalabh ,

Add a Custom Column and type in the following code:

 

if Value.Is([Column B],type number) then null else [Column B])

 

Payeras_BI_0-1615541626005.png

 

If this post answered your question, please mark it as a solution to help other users find useful content.
Kudos are another nice way to acknowledge those who tried to help you.

J. Payeras
Mallorca, Spain

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