Java Script

Email Validation onblur in JavaScript

Check Email Validation onblur event in Javascript –

In this example, I have checked email validation on onblur by regular expression.

  • Add onblur event to input box.
<input type="email" name="email_id" id="email_id" value="" placeholder="abc@codeloveguru.com" maxlength="100" onblur="checkEmailValidation(this.value)">
  • Here checkEmailValidation(str) function is defined and called on onblur event in the input box.
<script type="text/javascript">

function checkEmailValidation(str)
{
    var regexp = /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
    if(!regexp.test(str))
    alert("Please Enter a Valid E-mail Address!");
}

</script>

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Email Validation onblur in JavaScript

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