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Thread: REGEX in Page behind?

  1. #1

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    REGEX in Page behind?

    I am writing an app in ASP.NET 2.0. I want to have the code behind use a regex to validate a field. Any ideas on how to do this? The code is VB.NET

    I need to do it in code behind because if I do it in the validation control it checks the field when the page loads.

    thanks in advance

  2. #2
    Fanatic Member kaihirst's Avatar
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    Re: REGEX in Page behind?

    Needs to be posted in the VB.NET section.....

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    I'm about to be a PowerPoster! mendhak's Avatar
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    Re: REGEX in Page behind?

    VB Code:
    1. Dim regex As New RegularExpression("expressionhere")
    2. If regex.IsMatch(TextBox1.Text) THen
    3. '...
    4. End If

    I haven't checked it, but I think you can also make the regular expression validator work on postback too, instead of the page itself.

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