verify phone number html code example
Example: 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.
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.