Regular expression for first and last name

Question

For website validation purposes, I need first name and last name validation.

For the first name, it should only contain letters, can be several words with spaces, an

Answer 1

This regex work for me (was using in Angular 8) :

([a-zA-Z',.-]+( [a-zA-Z',.-]+)*){2,30}

It will be invalid if there is:-

1. Any whitespace start or end of the name
2. Got symbols e.g. @
3. Less than 2 or more than 30

Example invalid First Name (whitespace)

Example valid First Name :