DelphiFAQ Home Search:
Delphi
    .NET (2)
    Database (71)
    Delphi IDE (89)
    Network (39)
    Printing (3)
    Strings (12)
    VCL (83)
    Windows with Delphi (280)

 
Exchange Links
 
About this site

Links to us


Bookmark this
Add to del.icio.us Digg! Add to Reddit Add to Yahoo MyWeb Add to Windows Live Add to Google Bookmarks Share via Facebook

 

See also:

Does a string looks like an integer?

 

comments1 comments. Current rating: 3 stars (1 votes). Leave comments and/ or rate it.

Use this function to determine, whether a given string represents an integer.

function IsInteger(TestThis: String): Boolean;
begin
  try
    StrToInt(TestThis);
  except
    on EConvertError do
      result := False;
  else
    result := True;
  end;
end;
You don't like the formatting? Check out SourceCoder then!

Comments:

2006-08-21, 10:06:46
anonymous from Belgium  
rating
even better use function TryStrToInt (new in Delphi 6 or before),
so that no exception event is triggered in the debugger:

function IsInteger(TestThis: String): Boolean;
var V : integer;
begin
Result := TryStrToInt(TestThis, V);
// if Result = true, V holds the value
end;

 

 

NEW: Optional: Register   Login
Email address (not necessary):

Rate as 		Hide my email when showing my comment.
Please notify me once a day about new comments on this topic.
Please provide a valid email address if you select this option, or post under a registered account.
 

 Show city and country
Show country only
Hide my location
You can mark text as 'quoted' by putting [quote] .. [/quote] around it.
Please type in the code:

Please do not post inappropriate pictures. Inappropriate pictures include pictures of minors and nudity.
The owner of this web site reserves the right to delete such material.

photo Add a picture: