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Split Function in Delphi

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Submitted on: 1/21/2001 7:32:30 PM
By: Nick Siderakis  
Level: Intermediate
User Rating: By 8 Users
Compatibility: Delphi 5, Delphi 4, Pre Delphi 4
Views: 52092
(About the author)
 
     Hey this function just emulates the Visual Basic function that we know and love “split”!!! You use it the same way you would have in vb.
avar := split('string to break up',' ',2);
That will return avar as “to” that’s it, have fun and please vote!!
 
 
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function split(input:string;schar:char;s:integer):string;
var
   i,n:integer;
   schop: string;
begin
   n := 1;
   for i := 1 to length(input) do
   begin
     if (input[i] = schar) then
     begin
       inc(n);
       if n = s then
       split := schop
       else
       schop := '';
       end
     else
       schop := schop + input[i];
     end;
end;

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Other User Comments

2/6/2001 1:03:04 PM: Antonius Eko S R

Thank's for u's sharing
So I could learn more deep about Delphi
Programming

Thanks
(If this comment was disrespectful, please report it.)
 
12/5/2001 7:55:14 PM: Jason Lopez

How do i...More like where do i put this fuctions at. I am new to delphi. So can anyone help.
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3/10/2002 11:54:10 AM: Da Real Slim Techie

Superb. You can't get enough string manipulation functions. I always need them for something or other, especially finding one string within another or finding a value. In this case I am using the function to determine the file type in a list of files.
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10/19/2002 4:34:27 PM: 

I have made some changes to the code and it works perfectly now

changes marked with *

function TFRMCLAIMIMAGE.split(input:string;schar:char;s:integer):string;
var
i,n:integer;
schop: string;
begin
n := 0;
* for i := 1 to length(input) + 1
* added an acrement of 1 to cater for last character
do
begin

* if (input[i] = schar)or (i=length(input)+1) then
* added some code to cater for the last field
begin
inc(n);
if (n = s) then
split := schop
else
schop := '';
end
else
schop := schop + input[i];
end;
end;

Mail me if you need more clarification
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7/23/2003 9:19:46 AM: 

This is just what i'm looking for!
Thnx!!
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4/19/2004 8:30:06 AM: Alex Schulz

The thing is, the vb split function will take a multi character string delimiter and will also return all delimited substrings in an array of strings not just the nth substring as this does.
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10/9/2005 8:45:46 AM: I Made Agus W.A

{
Split Function for Delphi 4,5,6,7,8,2005
Created by I Made Agus (Bluechip_asia@yahoo.com)
For Educational Purpose Only
}
function Split(_InputString:String;_SplitChar:Char):TStringlist;
Var _Result : TStringList;
Var i:Integer;
Var Cache:String;
begin
_Result := TStringlist.Create;
Cache:='';
For i:=0 to LENGTH(_InputString) do
Begin
If UPPERCASE(_InputString[I]) <> UPPERCASE(_SplitChar) Then
Cache:=Cache+ _InputString[i]
Else
Begin
IF LENGTH(TRIM(CACHE)) > 0 Then
_Result.Add(Cache);
Cache:='';
End;
End;
IF LENGTH(TRIM(CACHE)) > 0 Then
_Result.Add(Cache);
Split:=_Result;
end;
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