CODE EXAMPLE FOR JAVASCRIPT

regex email

<form action="/phpchecks.php" enctype="multipart/form-data" >
  <label for="ema">Email</label>
  <input type="text" name="ema" pattern="/^[w-.]*[w.]@[w.]*[w-.]+[w-]+[w].+[w]+[w $]/" ><br><br>
  <input type="submit">
</form>