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I want to extract data from large group of files based on a regular expression.

Is their an application, script, batch or terminal command to do this?

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  • If you want to extract data from regular expressions, I suggest you use regular expression tools, this will help you extract valid data from source code faster You can check this article：helpcenter.octoparse.es/hc/es/articles/…
    – Melia
    Feb 11, 2020 at 8:38

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grep should be what you want. It is very powerful. You can search multiple files for a pattern and you can even select the matcher.

There are many many options so you should really look up its man page I've linked you to.

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    awk and sed are also very powerful tools for parsing text files.
    – Nick Pascucci
    Mar 27, 2011 at 16:41
  • @codeMonk very true. You should post that as an answer.
    – Octavian Helm
    Mar 27, 2011 at 16:55
  • yes grep is very powerful!! But is there a way to output the found regexp? grep usually outputs the whole line + filename
    – malhobayyeb
    Mar 31, 2011 at 22:37

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