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In Javascript I'm trying exclude a specific mail domain and all its subdomains using regex. If the domain I want to exclude is spammail.com. I need to exclude all the following

[email protected]
[email protected]
[email protected]
...
Lalas M
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1 Answers1

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Try like this:

let checkValid = (mail) => !/([^\@]*\@)(([^\.]*\.{1})*)(spammail\.com)/.test(mail);

console.log(checkValid("[email protected]")) //false
console.log(checkValid("[email protected]")) //false
console.log(checkValid("[email protected]")) //false
console.log(checkValid("[email protected]")) //true
console.log(checkValid("[email protected]")) //true
sbgib
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  • Thanks .. but infact this accepts the spammail. What i was looking not to accept the spammail and its subdomains – Lalas M Nov 17 '20 at 09:08
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    It identifies the spam mail. You can then decide what you want to do with it :) – sbgib Nov 17 '20 at 09:10
  • @LalasM I've updated this answer to show how you can test an email address and receive true (valid) or false (not valid). – sbgib Nov 17 '20 at 09:18