create email address validation in this formet in javascript : 

**An acceptable email address should meet following criteria to be called a valid email address** 
> Contains exactly one '@'
> Minimum 2 characters before '@'
> Any characters including numbers and special characters before '@' are allowed.
> Contains at least one '.' after '@'
> Any number of '.' are allowed after '@'
> Only alphabets and '.' are allowed after '@'
> Minimum 2 characters required between '@' and '.' after '@'
> Minimum 2 characters required between two '.' if more than one '.' is present after '@'
> Minimum 2 characters required after last '.'