Java gives you the ability to dynamically create strings. Even after you set the string value, you can add more characters to the string value throughout the code. This process lets you build a string ...

A regex of the form [:alpha:]{2}\d{3} should do the trick. If your regex engine doesn't support [:alpha:], use [a-zA-Z] instead.

The String.split methods can be very convenient for easily splitting a provided String based on a provided regular expression String . The only trick is figuring out a regular expression token to ...