Email Validation Tool in Visual Basic

Introduction: This tutorial is on how to make an email addres validator tool in Visual Basic. Design: This tool will contain; a textbox, named defaultly textbox1, this is where the string to be validated will be enetered. a button, named defaulty button1, this is how the validation process will begin. Imports: To validate the string as an email, we are going to be using RegEx which requires it's own import from... RegEx String: Then on the button1 click we first create a RegEx string to match our string against... This regex - emailRegex - is an official Microsoft Visual Basic regex to ensure that any strings parsed through this method are properly validated to an email. The Match: Now that we have our Regex string to match our string against, we can create a new Regex Match variable - essentially a boolean - which contains whether the parsed string is a match to the earlier created regex - emailRegex - we parse the string entered in to the first textbox - textbox1 - by using the .text property of the textbox1 textbox... Output: Finally we can output the results. We msgbox "This email is valid." if the entered string is in an email format, or "This is not a valid email" if not... Full Source: Done. Here is the full source!