A character string.
A character position within the Input_String. Numeric
Optional. Default = space (" "). The character string that separates words.
Given a character position, return the 'word' that character is in.
Converts the position in a text string to the number of the word in the text string. If Position, pos, occurs on a separator, Word_Number is 0.
word_from_pos("This is a test", 7) -> 2