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How Validate Email Address ??????

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  • How Validate Email Address ??????

    If i have web site so i want to allow user to my site how i check the validation of e mail address.

    How Email Validation check in Facebook etc.


    Is use any software or Code.


    How ?????

    Thanks

  • #2
    Re: How Validate Email Address ??????

    Google...

    You need to use a regular expression. Keep in mind that while you could write a regex to only allow addresses that strictly comply with the relevant standards, there are plenty of addresses in use from providers that do not enforce such strict limitations. I would strongly advise that you do not use this sort of check on email addresses, instead you should also look into requiring email activation of user accounts.

    I also fail to see what this has to do with Exchange Server? Please read these.
    Gareth Howells

    BSc (Hons), MBCS, MCP, MCDST, ICCE

    Any advice is given in good faith and without warranty.

    Please give reputation points if somebody has helped you.

    "For by now I could have stretched out my hand and struck you and your people with a plague that would have wiped you off the Earth." (Exodus 9:15) - I could kill you with my thumb.

    "Everything that lives and moves will be food for you." (Genesis 9:3) - For every animal you don't eat, I'm going to eat three.

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    • #3
      Re: How Validate Email Address ??????

      http://www.dynamicdrive.com/dynamici...ilvalidate.htm

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      • #4
        Re: How Validate Email Address ??????

        Just tried that regex with some known-good addresses and it failed 3 of them. As I said - it's virtually impossible to write a workable regex for email - I would strongly recommend that you implement email activation instead. There are far too many email providers who allow addresses that aren't in strict compliance with the relevant standards for a regex to work as desired.
        Gareth Howells

        BSc (Hons), MBCS, MCP, MCDST, ICCE

        Any advice is given in good faith and without warranty.

        Please give reputation points if somebody has helped you.

        "For by now I could have stretched out my hand and struck you and your people with a plague that would have wiped you off the Earth." (Exodus 9:15) - I could kill you with my thumb.

        "Everything that lives and moves will be food for you." (Genesis 9:3) - For every animal you don't eat, I'm going to eat three.

        Comment

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