Counting letters in a field

I have a field and for example inside it has the word "hello"
and the "llo" in the text is red and the "he" is in gray... I want
a script so that in the message window, it displays the number of
words either in gray or red.. please help me find it ASAP

let me help you by asking a few questions:
1. first, how would you get a character from a field member?
member("some_field").char[1]
2. next how would you get the colour of that character?
member("some_field").chare[1].color
3. after that, how would you then loop through each character
in a member?
Now, as for words... well, it's very similar, but you have to
be a bit clearer as to what you want - characters or words.

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