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The following example uses the derived class Text Box and validates an e-mail address that the user enters. Event Args e) public bool Valid Email Address(string email Address, out string error Message) private: void text Box1_Validating(Object* /*sender*/, System:: Component Model:: Cancel Event Args* e) void text Box1_Validated(Object* /*sender*/, System:: Event Args* /*e*/) public: bool Valid Email Address(String* email Address, [Out] String** error Message) No example is available for JScript.

An email address is a string of a subset of ASCII characters separated into two parts by an @ symbol . Is Match Method (String, String) - indicates whether the specified regular expression finds a match in the specified input string.Let’s begin: Open the Visual Basic and create a new Windows Form Application.Drag the two Text Boxes, a Button and an Error Provider in the Form. In the Following example we will use the to validate the enter text into the textbox control.We have a textbox control on the windows form that enable user to enter the correct PIN Code up to six characters.

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