About compression - look at DelphiZip component (you can find one and other components on www.torry.ru)
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some string functions and richtext compression
i would like to no, im looking for a function which can scan 1 string, to see if the second string text is contained within the first one, something like
if containsstring('world','he
showmessage('yes world is contained within the text hello world')
else
showmessage('no, the word world could not be found in the text hello world');
this is just an example of wot i mean, i tried instr(); but this does not scan all the words, it doesn't work proper, can anyone help,
also, i just wont some component or function which can compress files or text files, but i dont want it to be like this
compress.infile := 'C:\file.rtf';
compress.outfile := 'C:\file2.rtf';
compress.compress;
or something like that, just a simple
compress.filename := 'C:\file.rtf';
compress.compress;
is what i need, can anyone help ??
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Answers
this containstring works, only if i do this
if containsstring('world','he
showmessage('yes world is contained within the text hello world')
else
showmessage('no, the word world could not be found in the text hello world');
but if i do this (notice the strings)
if containsstring('world','no
showmessage('yes world is contained within the text hello world')
else
showmessage('no, the word world could not be found in the text hello world');
it doesnt detect it, see, this is what im trying to figure out
I think you should modify the above function as
function containsstring(Pattern,Dat
begin
If IsCaseSensitive
Then Result := Pos(Pattern,Data) >0
Else Result := Pos(AnsiUpperCase(Pattern)
end;
This will return true or false instead of the position as suggested by lmikle above
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by: lmiklePosted on 2003-04-18 at 05:40:00ID: 8353712
try this:
function containsstring(Pattern,Dat
begin
If IsCaseSensitive
Then Result := Pos(Pattern,Data)
Else Result := Pos(AnsiUpperCase(Pattern)
end;
This function return a position of Pattern in Data (1 based) or 0 if Pattern wasn't found in Data. Also, it's have 2 modes: case sensitive and not.