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Extracting and Searching Text

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dgdwilliams View Drop Down
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    Posted: 21 Feb 12 at 2:13PM
I am using vb.net and are having some issue.  Is it possible to search through a pdf for a string and return the values in the next row at specific character locations?  is it possible to extract a PDF to text without it inserting blank lines where they would normally not be?  i am looking for some examples if anyone could help it would be appreciated.
 
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edvoigt View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote edvoigt Quote  Post ReplyReply Direct Link To This Post Posted: 21 Feb 12 at 2:41PM
Hi,

your question might be answered in a few posts at here. You should try the different options for ExtractPageFileText and play with them using a smaller PDF, to get some feeling. After this, it is easier to understand the problems around searching and adding text.

Please keep in mind, that a PDF is no document like word works with. It is for example a lot of work to insert a forgotten letter in a word, because all things, which may surround this word will not automatically change their own position. It is more like a picture (because a PDF describes a layout) which want to paint on later.

Your question about blank lines shows in a wrong direction. You want to hold a place free. Ok, but for this is it will be enough, to put the next line more down.

Try a look into the PDF-specification from Adobe. Read about operators and text. Then you get an idea what all QuickPDF does for you and where are limits.


Good luck,
Werner


Edited by edvoigt - 22 Feb 12 at 3:29PM
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