Search Text In Pdf
iDiTect provides PDF text search functionality, it allows developers to search a pdf file to see if a certain string is present using C# language in Window Forms, WPF programming and ASP.NET web projects.
Find text in multiple PDFs In the Find toolbar, type the search text, and then choose Open Full Acrobat Search from the pop-up menu. In the Search window, type the search text. To make it text searchable, the best way may be to go back to the original source (e.g. A Word document) and use a different process to produce the PDF. Alternatively you could try rendering your current PDF as a bitmap and then using OCR, but this will be tedious and produce poor results. Share improve this answer. Search text in your PDF Once you use the Recognize Text tool to convert your scanned image into a usable PDF file, you can select and search through the text in that file, making it easy to find, modify, and reuse the information from your old paper documents.
To make it text searchable, the best way may be to go back to the original source (e.g. A Word document) and use a different process to produce the PDF. Alternatively you could try rendering your current PDF as a bitmap and then using OCR, but this will be tedious and produce poor results. Inside a PDF document, text is in no particular order (unless order is important for printing), most of the time the original text structure is lost (letters may not be grouped as words and words may not be grouped in sentences, and the order they are placed in the paper is often random). By default, Acrobat will save the recognized text inside the original file when you OCR a PDF, and if you OCR an image it'll save the image with its text in a new PDF file. Either way, the recognized text will show up in any PDF reader afterwards, just as if it was an original digital document.
To more accurate searching, you can customize the finding and obtaining process. All the searchable individual words in the PDF page can be scanned and found by iDiTect Converter .NET library.
- 'MatchCase' - using this property to ignore the uppercase and lower case of search content. For example, if search text is 'Abc', set 'MatchCase' property to false, then the 'abc' or 'ABc' in the PDF may be found as results.
- 'MatchWholeWord' - using this property to find the whole word only. For example, if search text is 'abc', set 'MatchWholeWord' property to false, then the ' abc ' or ' abcd ' in the PDF may be found as results.
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How to Search Text in PDF in C# language
Search Text In Pdf Files
Besides extracting text from PDF, we also provide C# sample for scanning and searching plain text content in PDF document, no matter the text is in page header, table, form, or page footer.
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