ObjectPascal
AnsiMidStr
Function
Returns a substring from the middle characters of a string StrUtils unit
 function AnsiMidStr ( const Source : AnsiString; const Start, Count : Integer ) : AnsiString;
Description
The AnsiMidStr returns a string comprising a sequence of characters from a source string.
 
It attempts to return Count characters from position Start of the Source.
 
If Count exceeds the remaining size of the source, the whole of the remainder of the source is returned.
Notes
Strings start with index = 1 (arrays start with 0)
Related commands
AnsiLeftStr Extracts characters from the left of a string
AnsiRightStr Extracts characters from the right of a string
Trim Removes leading and trailing blanks from a string
TrimLeft Removes leading blanks from a string
TrimRight Removes trailing blanks from a string
 
Example code : A simple example
var
  source, target : AnsiString;
begin
  source := '123456789';
  target := AnsiMidStr(source, 2, 4);

  WriteLn('Source = '+source);
  WriteLn('Target = '+target);
end;
Show full unit code
   Source = 123456789
   Target = 2345