Upper And Lower Case Changing

I have a field in the table that contains numbers and a mix of upper and lower case words.

I would like to have this to it check for numbers and then makes the first letter in a word upper case and the remainder lower case.

I know you can do it like this >L<????????? but that dow not work if the word lengths are different. Unless I am missing soemthing.

Example of text in field is this:

100 RCSCC MAJOR PAIN

I would like the RCSCC to remain in UPPERCASE and then move to the next work and change the first letter to UPPER CASE and the remaining letters lower case then repeat this on the next word if there is one in the field.

Thanks for all your help.