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//-------------------------------------------------------
//
//-------------------------------------------------------
function issimilar(L, R: String): boolean;
var
vl, vr: String;
res: boolean;
//---------------------------------------------------------------
function isPrefix(S1, S2: String): boolean;
begin
if (length(S1)<3) or (length(S1) > length(S2)) then
result := false
else
result := MidStr(S2, 1, length(S1)) = S1
end;
//---------------------------------------------------------------
function isnumber(S: String): boolean;
var
i,d,ll: integer;
res: boolean;
begin
res := true;
if length(S) = 0 then
res := false;
for i := 1 to length(S) do
res := res and charinset(S[i], ['0' .. '9', '.', ',', '+', '-',
'$', '€']);
d:=pos('.',S);
if d>0 then begin
ll:=length(S);
d:=pos('.',midstr(S,D+1,ll));
res:=res and (d<0)
end;
result := res;
end;
begin
//
res := false;
//remove separators
vl := StringReplace(vl, FDB, '', [rfReplaceAll]);
vr := StringReplace(vr, FDB, '', [rfReplaceAll]);
//
if isnumber(vl) and isnumber(vr) then begin
//
if charinset(vl[1],['-','+']) then vr:=midstr(vr,2,length(vr));
if charinset(vr[1],['-','+']) then vr:=midstr(vr,2,length(vr));
// trailing 0's
while (length(vl)>1) and (vl[length(vl)]='0') do vl:=midstr(vl,1,length(vl)-1);
while (length(vr)>1) and (vr[length(vr)]='0') do vr:=midstr(vr,1,length(vr)-1);
//
res := vl = vr;
end;
//
result := res;
end;
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