| Description |
The AnsiLeftStr extracts characters from the left of a string.
It attempts to return the leftmost Count characters from Source.
If Count exceeds the size of the source, the whole of source is returned.
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| Related commands |
| AnsiMidStr |
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Returns a substring from the middle characters of a string |
| AnsiRightStr |
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Extracts characters from the right of a string |
| Trim |
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Removes leading and trailing blanks from a string |
| TrimLeft |
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Removes leading blanks from a string |
| TrimRight |
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Removes trailing blanks from a string |
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| Example code : A simple example |
// Full Unit code.
// -----------------------------------------------------------
// You must store this code in a unit called Unit1 with a form
// called Form1 that has an OnCreate event called FormCreate.
unit Unit1;
interface
uses
StrUtils, // Unit containing the AnsiLeftStr command
Forms, Dialogs;
type
TForm1 = class(TForm)
procedure FormCreate(Sender: TObject);
end;
var
Form1: TForm1;
implementation
{$R *.dfm} // Include form definitions
procedure TForm1.FormCreate(Sender: TObject);
var
source, target : AnsiString;
begin
source := '123456789';
target := AnsiLeftStr(source, 3);
ShowMessage('Source = '+source);
ShowMessage('Target = '+target);
end;
end.
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| Hide full unit code |
Source = 123456789
Target = 123
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