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how can i split this string?

Posted on 2009-05-14
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Last Modified: 2012-05-06
im new to delphi...
 i have a string like this  " 123|asd1|fhgj2|er3|45678| " 
and i need to split it up.
i figured out how to do it IF it has different separators (eg " %123|asdf*fhgj^er|) like this
textin := %123|asdf|fhgj|er|45678|
 text1 := copy(textin, 1, pos('%', textin)-1);
  Delete(textin, 1, pos('%', textin)-1);
 text2 := copy(textin,1 ,pos('|', textin)-1);
  Delete(textin, 1, pos('|', textin)-1);
...
  L := Form2.ListView1.Items.Add;
  L.Caption := info;
  L.SubItems.Add(text1);
  L.SubItems.Add(text2);
ect

but how do i do it if the separators are the same?


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Comment
Question by:electrodude102
  • 3
  • 2
6 Comments
 
LVL 2

Accepted Solution

by:
Usurpatirus earned 50 total points
ID: 24382522
you may use StringReplace function, or while loop:
procedure TForm1.Button2Click(Sender: TObject);
var
Str : String;
begin
Str := '%123|asdf*f|hgj^|er|';
 
   with Listview1.Items.Add do
   begin
        Caption := Copy(Str,1, Pos('|',Str)-1);
        system.Delete(Str,1,Pos('|',Str));
   while Trim(Str)<>'' do
   begin
        Subitems.Add(Copy(Str,1, Pos('|',Str)-1));
        System.Delete(Str,1,Pos('|',Str));
   end;
   end;
end;
 
 
procedure TForm1.Button1Click(Sender: TObject);
var
Str : String;
begin
Str := '%123|asdf*f|hgj^|er|';
with Listview1.Items.Add do
begin
        Caption := Copy(Str,1, Pos('|',Str)-1);
        System.Delete(Str,1,Pos('|',Str));
        SubItems.Text := (StringReplace(Str,'|',#13,[rfReplaceAll, rfIgnoreCase]));
end;
end;

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LVL 9

Expert Comment

by:Graceful_Penguin
ID: 24382549
You just have to loop the code you have there and it will work. I used ShowMessage to test if it works but I have also given you the code to add it to the listview in comments.
textin := '123|asdf|fhgj|er|45678';
while (pos('|', textin) > 0) do
begin
  text1 := copy(textin, 0, pos('|', textin)-1);
  Delete(textin, 1, pos('|', textin));
 
 
//  L := Form2.ListView1.Items.Add;
//  L.Caption := info;
//  L.SubItems.Add(text1);
ShowMessage(text1);
ShowMessage(textin);

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0
 
LVL 9

Expert Comment

by:Graceful_Penguin
ID: 24382556
sorry did not copy the end;
textin := '123|asdf|fhgj|er|45678';
while (pos('|', textin) > 0) do
begin
  text1 := copy(textin, 0, pos('|', textin)-1);
  Delete(textin, 1, pos('|', textin));
 
 
//  L := Form2.ListView1.Items.Add;
//  L.Caption := info;
//  L.SubItems.Add(text1);
  ShowMessage(text1);
  ShowMessage(textin);
end;

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Netscaler Common Configuration How To guides

If you use NetScaler you will want to see these guides. The NetScaler How To Guides show administrators how to get NetScaler up and configured by providing instructions for common scenarios and some not so common ones.

 
LVL 1

Author Comment

by:electrodude102
ID: 24382733
Graceful_Penguin: that works but i need a var(?) for each "set" of the string (not sure how to explain it..)
 
example: if the string in was '123|asdf|fhgjer|45678' it does this
text0 := 123
text1 := asdf
text2 := fhgjer
text3 := 45678

(cause i need to use them later, get it?)
0
 
LVL 9

Expert Comment

by:Graceful_Penguin
ID: 24382874
The easiest way is to use a stringlist to store the strings but if you don't like that you can use a dynamic array. Here is the source for the string list. Just remember to destroy it when you are done.
var textin, text1 : string;
 Strings : TStringlist;
 counter : integer;
begin
   textin := '123|asdf|fhgj|er|45678';
   Strings := TStringlist.Create;
   counter := 0;
while (pos('|', textin) > 0) do
begin
  Strings.Add(copy(textin, 0, pos('|', textin)-1));
  Delete(textin, 1, pos('|', textin));
 
 
//  L := Form2.ListView1.Items.Add;
//  L.Caption := info;
//  L.SubItems.Add(text1);
   ShowMessage(Strings[counter]);
   ShowMessage(textin);
   inc(counter);

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LVL 1

Author Comment

by:electrodude102
ID: 24387267
im going to accept Usurpatirus answer cause after messing around with it it seems he most usable, thanks you all your help
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Netscaler Common Configuration How To guides

If you use NetScaler you will want to see these guides. The NetScaler How To Guides show administrators how to get NetScaler up and configured by providing instructions for common scenarios and some not so common ones.

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