What you want is to achieve a level where you can start thinking in regexp. Eg: /^([a-z]*)$/ this translates into my brain to: a string that starts with a capt

What you want is to achieve a level where you can start thinking in regexp. Eg: /^([a-z]*)$/ this translates into my brain to: a string that starts with a capture group of 0-N characters between a-z and also ends with it. Then it's really easy.