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Home/ Questions/Q 9081771
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Editorial Team
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Editorial Team
Asked: June 16, 20262026-06-16T20:23:43+00:00 2026-06-16T20:23:43+00:00

I have what looked to me as a simple operation but cannot find a

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I have what looked to me as a simple operation but cannot find a solution. I need to search through files in a directory with lines containing str1 AND str2. There are several examples of str1|str2 e.g. grep -r “str1|str2” . But nothing for str1 AND str2. Can anyone provide a solution. This should be a common problem.

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  1. Editorial Team
    Editorial Team
    2026-06-16T20:23:44+00:00Added an answer on June 16, 2026 at 8:23 pm

    You can do something like:

    egrep 'str1.*str2|str2.*str1' FILES
    

    with egrep. Or with positive lookahead/behind regexes. Read the manual.

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