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PODelphi stringlist finding negative keyword in list
 

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  1. PODelphi stringlist finding negative keyword in list
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    <p>I have two string lists that I'm working with. One that has a list of keywords, and then another that has a list of negative keywords. I want to be able to search through the list and pick out the list items that do not contain the negative keyword and output to a third keyword list. I was using the AnsiPos function but that found the negative keywords if they were part of a word, vs full word.</p> <p>Any suggestions on a relatively easy way to do this? Speed is not that important, but would be nice.</p> <p><strong>Example of what I'm looking to do:</strong></p> <p>Keyword List: </p> <pre> Cat Catfish Fish Sticks Dog Food </pre> <p>Negative Keyword List:</p> <pre> Fish </pre> <p>Returned Values Wanted:</p> <pre> Cat Catfish Dog Food </pre> <p>This is what I've got so far.. which does not work. I used information from: <a href="https://stackoverflow.com/questions/1678572/is-there-an-efficient-whole-word-search-function-in-delphi">Is There An Efficient Whole Word Search Function in Delphi?</a></p> <pre><code>function ExistWordInString(aString: PAnsichar; aSearchString: string; aSearchOptions: TStringSearchOptions): Boolean; var Size : Integer; begin Size := StrLen(aString); result := SearchBuf(aString, Size, 0, 0, aSearchString, aSearchOptions) &lt;&gt; nil; end; procedure TForm2.Button1Click(Sender: TObject); var i, j, index: integer; s: string; stl: tstringlist; begin stl := TStringList.Create; stl.Text := listbox1.Items.Text; for I := 0 to stl.Count - 1 do begin for j := 0 to listbox2.Count - 1 do begin if not ExistWordInString(PAnsiChar(listbox2.Items.Strings[j]), listbox1.Items.Strings[i], [soWholeWord, soDown]) then listbox3.Items.Append(stl.Strings[i]); end; end; end; </code></pre>
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