This function is used to evaluate an origin string and returns the first occurrence of a String that starts with the Start String and ends with the End String. If the End String is not found, the string that starts with the Start String till its end will be returned.
Parameters
Return value
The return value is a String.
Examples
ExtractString("one day after that day", "d", " ")
ExtractString("one day after that day", "d", "c")