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how to return only the numeric value of a string Turn on/off line numbers in source code. Switch to Orginial background IDE or DSP color Comment or reply to this aritlce/tip for discussion. Bookmark this article to my favorite article(s). Print this article
Return only the numeric value of a string 04-Jul-05
Category
Algorithm
Language
Delphi 6.x
Views
325
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Publisher:
F, Nir
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			1   {=== Return only the numeric value of a string ===}
2   function  ValNumericDef(const sNum:string;const iDef:Integer=0):Integer;
3    var iLoop : Integer;
4        sWork : string;
5   begin
6     Result := 0;
7     sWork  := '';
8      if Length(sNum)=0 then Exit;
9      for iLoop:=1 to Length(sNum) do begin
10      if (Ord(sNum[iLoop])>=48) and (Ord(sNum[iLoop])<= 57) then 
11  sWork:=sWork+sNum[iLoop];
12     end;
13    Result := StrToIntDef(sWork,iDef);
14  end;
15  //---------------------------------------------------------------------//


			
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