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How do i extract date from the source name which has string using power query

i have exported csv dat which has got date in their source name. it is a daily download report. i want to create a custom column which extracts the date from the source name so that i can cretae the date column for the dataset.image.png

Super User
Super User

An alternative way in PQ is to use this in a custom column

Text.BetweenDelimiters([Source.Name]," ",".",{0,1})
Microsoft Employee
Microsoft Employee

Hi @ahamedafridi18,


Here is a Dax query for a calculated column 'Date' to extract the date from the SourceName column and convert into date format


Date = FORMAT(DATEVALUE(RIGHT(LEFT([Source.Name],18),10)),"DD-MM-YYYY")
If you like my solution please consider giving a upvote..
Thank you!
Super User
Super User

Hi @ahamedafridi18,


There are so many different ways to achieve that, just wondering how representative the image is...
For example any of these will do, just insert a Custom Column and copy an expression from below, replace "Source" with the column reference [Source.Name]

    Source = "Detroit 21-02-2024.xlsx",
    AlwaysBetween = Text.BetweenDelimiters(Source, " ", "."),
    AtTheEnd = List.Reverse( Text.SplitAny( Source, " .") ){1}?,
    Anywhere = List.First( List.Select( Text.SplitAny( Source, " ."), each Text.Length( Text.Select(_, {"-"}) )=2 ))

 I hope this is helpful

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