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Get number of pages in a PDF file

/ Published in: C#
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Open a PDF document and store the data in a string. Provide that string to this function and it will return the number of pages in the PDF.

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  1. public static int GetNumberOfPages(string pdfData)
  2. {
  3.     var regx = new Regex(@"/Type\s*/Page[^s]");
  4.     var matches = regx.Matches(pdfData);
  5.     return matches.Count;
  6. }

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