- full in the full string to extract from
- start is the starting position
- end is the (optional) ending position
This function returns a portion of full, starting at start, and ending just before end. Note that end is optional; if omitted, the remainder of the string is returned. Both start, and optionally end are 0-indexed (but note that start is included in the returned portion, while end is not). Note that if end is supplied, and greater than the length of the string (number of characters it contains), this function will abort with an "out of bounds" exception.
Returns a portion of a string.Would result in:
If start and end are equal (and in-bounds), an empty string will be returned.