Web Forms :: How To Validate Email Address Format Using RegularExpression Validator

Jun 24, 2012

In my website I need to validate email address format. I need to use ASP.Net RegularExpression Validator

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I have a form where a user is going to enter an email address. What is the best way to validate what they enter? Whether it's okay to throw an exception to validate input versus using a regex?

[URL] ....

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And the counter argument: it is generally bad practice to catch an exception as a way of validating data ...

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[code]...

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I have a page in MVC where i want to take the email adddress as the input which can be of format like:"Jone Davi" <jone@gmail.com>, "Ben Miller" <ben@gmail.com>, "Jane Ton" <jane@gmail.com>,

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I have a regular expression validation control initialized to validate a textbox control. I want users to be able to enter U.S. Currency values ($12,115.85 or 1500.22 etc.). I found a regular expression off of regexlib website that does the trick. The validation control seems to be working except for one crucial thing. If invalid data is entered, the validation text dispalys (a red "*" next to the textbox), but the page will still submit and the error message won't pop up... I thought that the error message is supposed to display and the page won't submit if the validation control detects invalid data. Isn't this automatic with ASP .NET? I have searched extensively on how to create validation controls, but haven't found anything different than what I am already doing. Can anyone tell me what I am doing wrong here?

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[code]...

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Web Forms :: How To Format Regular Expression Which Accepts Only Valid Email Format Only

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 var emailReg = /^w+([.-]?w+)*@w+([.-]?w+)*(.w{2,3})+$/; 

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[CODE]

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[Code]....

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