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countrymeister
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Reqular expression in vb.net to check content of password field

I have a password field I need a regular expression to check if my filed has atleast one upper case letter ,atleast  one number andat least  one special character, tried this which does not work

   Dim bUppercase As Boolean = Regex.IsMatch(txtPassword.Text, "^/[A-Z]/*$")
        Dim bNumeric As Boolean = Regex.IsMatch(txtPassword.Text, "^/[0-9]/*$")
        Dim bSpecial As Boolean = Regex.IsMatch(ItxtPassword.Text, "^/[.!@#$%^&*]/*$")
Regular ExpressionsVisual Basic.NETASP.NET

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kaufmed

8/22/2022 - Mon
ASKER CERTIFIED SOLUTION
Terry Woods

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Terry Woods

Or, all in one expression:
Dim bGoodPassword As Boolean = Regex.IsMatch(txtPassword.Text, "^(?=.*[A-Z])(?=.*\\d)(?=.*[.!@#$%^&*])")

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Terry Woods

In my first post, I think you need to escape the backslash:
 Dim bNumeric As Boolean = Regex.IsMatch(txtPassword.Text, "\\d")
disrupt

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kaufmed

@TerryAtOpus
In my first post, I think you need to escape the backslash:
Not in VB  ; )