Java Regex to Validate Full Name allow only Spaces and Letters

Question

I want regex to validate for only letters and spaces. Basically this is to validate full name. Ex: Mr Steve Collins or Steve Collins I tried this regex.

Answer 1

Validates such values as: "", "FIR", "FIR ", "FIR LAST"

/^[A-z]*$|^[A-z]+\s[A-z]*$/