Comparer 2 Strings (sans en connaitre tous les caractères)

function MatchStrings(source, pattern: String): Boolean;
var
pSource: Array [0..255] of Char;
pPattern: Array [0..255] of Char;

function MatchPattern(element, pattern: PChar): Boolean;

function IsPatternWild(pattern: PChar): Boolean;
var
t: Integer;

begin
Result := StrScan(pattern,'*') <> nil;
if not Result then Result := StrScan(pattern,'?') <> nil;
end;

begin
if 0 = StrComp(pattern,'*') then
Result := True
else if (element^ = Chr(0)) and (pattern^ <> Chr(0)) then
Result := False
else if element^ = Chr(0) then
Result := True
else begin
case pattern^ of
'*': if MatchPattern(element,@pattern[1]) then
Result := True
else
Result := MatchPattern(@element[1],pattern);
'?': Result := MatchPattern(@element[1],@pattern[1]);
else
if element^ = pattern^ then
Result := MatchPattern(@element[1],@pattern[1])
else
Result := False;
end;
end;
end;

begin
StrPCopy(pSource,source);
StrPCopy(pPattern,pattern);
Result := MatchPattern(pSource,pPattern);
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
if MatchStrings('Sean Stanley','Sean*') then showmessage('Strings match!');
if MatchStrings('Sean','Se?n') then showmessage('Strings match!');
if not MatchStrings('Sean','Se?nn') then showmessage('Strings don''t match!');
end;