html phone number validation code example
Example 1: how to validate mobile number in html form
<div>
<label for="phone">Enter your phone number:</label>
<input type="tel" id="phone" name="phone" pattern="+94[7-9]{2}-[0-9]{3}-[0-9]{4}" value="+94">
</div>
Example 2: phone number validation html
How about this? /(7|8|9)\d{9}/
It starts by either looking for 7 or 8 or 9, and then followed by 9 digits.