Code:

// Get the Position of a string, starting at the end

// Ruckwartiges Vorkommen einer Zeichenkette innerhalb eines strings, Position von hinten

function LastPos(SearchStr, Str: string): Integer;

var

i: Integer;

TempStr: string;

begin

Result := Pos(SearchStr, Str);

if Result = 0then Exit;

if (Length(Str) > 0) and (Length(SearchStr) > 0) then

begin

for i := Length(Str) + Length(SearchStr) - 1downto Result do

begin

TempStr := Copy(Str, i, Length(Str));

if Pos(SearchStr, TempStr) > 0then

begin

Result := i;

break;

end;

end;

end;

end;

// Search for the next occurence of a string from a certain Position

// Nachstes Vorkommen einer Zeichenkette ab einer frei definierbaren Stelle im string

function NextPos(SearchStr, Str: string; Position: Integer): Integer;

begin

Delete(Str, 1, Position - 1);

Result := Pos(SearchStr, upperCase(Str));

if Result = 0then Exit;

if (Length(Str) > 0) and (Length(SearchStr) > 0) then

Result := Result + Position + 1;

end;

// Get the number of characters from a certain Position to the string to be searched

// Anzahl der Zeichen von einer definierbaren Position zur gesuchten Zeichenkette

function NextPosRel(SearchStr, Str: string; Position: Integer): Integer;

begin

Delete(Str, 1, Position - 1);

Result := Pos(SearchStr, UpperCase(Str)) - 1;

end;

// simple replacement for strings

// einfaches Ersetzen von Zeichenketten

function ReplaceStr(Str, SearchStr, ReplaceStr: string): string;

begin

while Pos(SearchStr, Str) <> 0do

begin

Insert(ReplaceStr, Str, Pos(SearchStr, Str));

Delete(Str, Pos(SearchStr, Str), Length(SearchStr));

end;

Result := Str;

end;