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My email validation is not checking condition properly when i give without name only domain name in text box example @gmail.com it shows valid like valid email i need to raise alert this situation. but it works at checks domain name it works fine.

My code:

if(!(email.endsWith("@yahoo.com") || email.endsWith("@gmail.com"))){ alert("Email Should be in @yahoo.com or @gmail.com"); $("#txtEmail").val(''); document.getElementById("txtEmail").focus(); return false; }

Thank you

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  • you can always add another check of startsWith if you are not thinking of regex which is pretty good solution Commented May 15, 2017 at 13:37
  • Use regex to validate email Commented May 15, 2017 at 13:39
  • From what you posted the JS is doing what it's supposed to. I'd suggest using a regex to check the if the entered values are valid mail addresses and when that's the case you could check for yahoo/gmail. (btw: don't even try to write an email-regex, save yourself the trouble and google for a good one ) Commented May 15, 2017 at 13:39
  • 2
    Possible duplicate of Using a regular expression to validate an email address Commented May 15, 2017 at 13:39
  • Correct me if I'm wrong but I think regex is not a good solution, because he want to check if the email is from yahoo.com or gmail.com. Commented May 15, 2017 at 13:43

2 Answers 2

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Add email.lastIndexOf("@") === 0 to your condition, like this:

if(email.lastIndexOf("@") === 0 || !(email.endsWith("@yahoo.com") || email.endsWith("@gmail.com"))){
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Try with this kind of regexp

if (email.match(/^\S+@(yahoo|gmail)+\.com$/g))

This will check that you have content before the @ and validate that is it yahoo or gmail.

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