RPosEx¶
Find last occurrence substring or character in a string, starting at a certain position.
Declaration¶
Source position: strutils.pp line 198
function RPosEx(C: AnsiChar; const S: AnsiString; offs: SizeInt)
: SizeInt; overload; overload;
function RPosEx(C: UnicodeChar; const S: UnicodeString; offs: SizeInt)
: SizeInt; overload; overload;
function RPosEx(const Substr: AnsiString; const Source: AnsiString;
offs: SizeInt) : SizeInt; overload; overload;
function RPosEx(const Substr: UnicodeString;
const Source: UnicodeString; offs: SizeInt) : SizeInt
; overload; overload;
Description¶
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. If no match is found, 0 is returned.