Find last occurrence substring or character in a string, starting at a certain position.
Source position: strutils.pp line 194
| function RPosEx( | 
| C: AnsiChar; | 
| const S: AnsiString; | 
| offs: SizeInt | 
| ):SizeInt; overload; | 
| C: UnicodeChar; | 
| const S: UnicodeString; | 
| offs: SizeInt | 
| ):SizeInt; overload; | 
| const Substr: AnsiString; | 
| const Source: AnsiString; | 
| offs: SizeInt | 
| ):SizeInt; overload; | 
| const Substr: UnicodeString; | 
| const Source: UnicodeString; | 
| offs: SizeInt | 
| ):SizeInt; overload; | 
RPos looks in S for the character C or the string SubStr. It starts looking at position Offs (counted from the start of the string), and searches towards the beginning of the string. If a match is found, it returns the position of the match.
| 
 | Find last occurrence of substring or character in a string. |