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Is there software to allow me to search a PDF file with Regex?

I sometimes would like to search some particular words in a PDF file, however there are always a lot of unwanted words for me. For instance, when I would like to find "scala" in a PDF paper, I always come across "scalable", "scalability" or something like that. So I'm wondering whether there exists some reader that supports searching words with regular expressions.

marked as duplicate by Der Hochstapler Nov 22 '12 at 17:04

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migrated from stackoverflow.com Apr 24 '12 at 16:46

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  • PowerGrep does this. powergrep.com/pdf.html – David Brabant Apr 24 '12 at 7:35
  • It appears that all you really want is to search for whole words. – Dan D. Apr 24 '12 at 17:24


With regex search:

Without regex search:


  • grepWin, it supports regex, but doesn't support PDF files yet.


Without regex search:

  • pdfgrep (no GUI, available via apt-get) (Free and Open Source)

Related question: Is there software to allow me to search a PDF file with Regex?

  • And pdfgrep seems to have gained PCRE support in later versions, although sadly not the version in the ubuntu 14.04 repository. As it stands, it supports some subset of regex. – Eric Jan 24 '17 at 1:56

Our PDF viewer has regex searching (see http://www.jpedal.org/PDFblog/2012/03/search-pdf-files-with-regular-expressions-generating-teasers/)

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