Validate email address : Regular Expressions « Development « VB.Net






  1. VB.Net
  2. Development
  3. Regular Expressions

Validate email address

 

Imports System
Imports System.Configuration

  Class UsingRegexStringValidator
    Public Shared Sub Main()
      Dim testString As String = "someone@example.com"
      Dim regexString As String = "^[a-zA-Z\.\-_]+@([a-zA-Z\.\-_]+\.)+[a-zA-Z]{2,4}$"
      Dim myRegexValidator As RegexStringValidator = _
       New RegexStringValidator(regexString)

      Console.WriteLine("CanValidate: {0}",myRegexValidator.CanValidate(testString.GetType()))

      Try
        myRegexValidator.Validate(testString)
        Console.WriteLine("Validated.")
      Catch e As Exception
        Console.WriteLine("Error: {0}", e.Message.ToString())
      End Try
      Console.ReadLine()
    End Sub
  End Class








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