Is there any pdf reader that supports word searching with regular expression?

Question

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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.

Answer 1

Windows

With regex search:

• PDF Search
• PDF Manager
• dnGREP (Free and Open Source)
• FileLocator Pro or Agent Ransack
• PowerGrep

Without regex search:

• Adobe PDF iFilter
• PDFSearcher
• PDF Explorer
• Sumatra PDF (sources) (Free and Open Source)
• File Search Assistant (FSA)
• Foxit Reader + IFilter (or other FoxIt softwares)
• Okular (free and open source multiple platforms universal document viewer developed by KDE)

Other:

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

Linux

Without regex search:

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

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

Answer 2

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