1. Computing

Left, Mid, Right String

By

. LeftStr() takes a certain portion of the left side of a string.
. MidStr() takes a specified number of characters from a string.
. RightStr() takes a certain portion of the right side of a string.

Let's say we have a string Dstr := 'Delphi is the BEST', then

LeftStr(Dstr, 5) := 'Delph'
MidStr(Dstr, 6, 7) := 'i is th'
RightStr(Dstr, 6) := 'e BEST'

~~~~~~~~~~~~~~~~~~~~~~~~~
function RightStr
    (Const Str: String; Size: Word): String;
begin
  if Size > Length(Str) then Size := Length(Str) ;
  RightStr := Copy(Str, Length(Str)-Size+1, Size)
end;

function MidStr
    (Const Str: String; From, Size: Word): String;
begin
  MidStr := Copy(Str, From, Size)
end;

function LeftStr
    (Const Str: String; Size: Word): String;
begin
  LeftStr := Copy(Str, 1, Size)
end;
~~~~~~~~~~~~~~~~~~~~~~~~~
p.s.
Or, if you have Delphi 6+, you an use the LeftStr, RightStr or the Copy RTL functions.

Delphi tips navigator:
» Reverse a String
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