// regex for nepali phone numbers
(?:(?+977)?)?[9][6-9]d{8}|01[-]?[0-9]{7}
// works for all numbers below
9847148704 --ntc phone number
9738388888 --ntc
+9779847148764 --with +977
(+977)9847148764 --with (+977)
016614463 --telephone
014479691
01-4479994 --telephone with dash