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Maybe you can write next articles referring to this article. cleveland cavaliers radio network online Awesome post!I’ll check out some of the tools you mentioned here.The following example describes a form to be filled up by all the students of a school, divided into four houses, for electing the school president.Here, we use the validation controls to validate the user input.Match(Email Address, pattern) If email Address Match.

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If you are looking to test that email id really exist or not then you can try with VRFY(most mail server admin disables this feature for spammers) function of SMTP. Private Function Validate Email(By Val Email Address As String) As Boolean Try If Email Address. Length = 0 Then Msg Box("Please enter the email Address") Return False End If Dim pattern As String = "^[a-z A-Z][\w\.-]*[a-z A-Z0-9]@[a-z A-Z0-9][\w\.-]*[a-z A-Z0-9]\.[a-z A-Z][a-z A-Z\.]*[a-z A-Z]$" Dim email Address Match As Match = Regex.

The regular expression is set in the Validation Expression property.

The following table summarizes the commonly used syntax constructs for regular expressions: The Custom Validator control allows writing application specific custom validation routines for both the client side and the server side validation.

The client side validation is accomplished through the Client Validation Function property.

The client side validation routine should be written in a scripting language, such as Java Script or VBScript, which the browser can understand.

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