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best regular expression for gmail

Gmail Regular expression with all details (not start with dot,number , is it possible to use multiple dot but not in a row and so on)

Gmail regular expression (Full version)

In this mini project I'm going to introduce great pattern or regular expression for GMAIL input and validating them every where that you want.

Usage in PHP

dd(preg_match('/^[^0-9^.][a-zA-Z0-9]+(\.?[a-z]+)*@gmail.com/', 'ali.rezvaniara@gmail.com'))
# returns 1/true

dd(preg_match('/^[^0-9^.][a-zA-Z0-9]+(\.?[a-z]+)*@gmail.com/', 'ali..rezvaniara@gmail.com'))
# returns 0/false

dd(preg_match('/^[^0-9^.][a-zA-Z0-9]+(\.?[a-z]+)*@gmail.com/', '2ali.rezvaniara@gmail.com'))
# returns 0/false


dd(preg_match('/^[^0-9^.][a-zA-Z0-9]+(\.?[a-z]+)*@gmail.com/', 'ali2.rezvaniara@gmail.com'))
# returns 1/true

dd(preg_match('/^[^0-9^.][a-zA-Z0-9]+(\.?[a-z]+)*@gmail.com/', '.ali.rezvaniara@gmail.com'))
# returns 0/false

Usage in HTML

<!DOCTYPE html>
<html>
<body>

<h1>Example of using GMAIL regular expression in html</h1>

<form action="/action_page.php">
  <input type="text" id="email" name="email" pattern="^[^0-9^.][a-zA-Z0-9]+(\.?[a-z]+)*@gmail.com" >
  <input type="submit">
</form>

<p>
  <strong>Note:</strong>
  The pattern attribute of the input is not supported in Safari 10 (or earlier).
</p>

</body>
</html>

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate.