Check format string that in format date "dd/mm/yyyy" or not?

my string = 01-02-21
I use this command in if condition ,
DateTime.TryParseExact(ExcelDT.Rows(0).Item(“GL_DATE”).ToString, “dd-MM’yyyy”, System.Globalization.CultureInfo.InvariantCulture, System.Globalization.DateTimeStyles.None,Nothing)

it always return True.
I think it should return false

Please correct my logic.

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Hello @Supakinee_Navawong_na_ayu,

you can use IsMatches Activity to check,

use the below pattern to check,


Thank you .It’s work. :+1:

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