test

^(?:\d{10}|(\()?\d{3}(?(1)\))(?:([- ])| )\d{3}(?:\2|-)\d{4})$

https://regex101.com/r/hjPF6N/2

^[a-zA-Z -&]+$

allow character, space, ampersand and hyphen

Regex for US Phone no

\(?\d{3}\)?[ -]?\d{3}[ -]?\d{4}$