Match all patterns from file at once
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Print only the Nth line before each line that matches a pattern
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How to use grep/awk/unix to match all lines from one file in another file, even if they are duplicates
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Use grep to find content in files and move them if they match
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Match string pattern to any array element
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Reading grep patterns from a file
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Return previous line of all matches
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Exclude one pattern from glob match
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How to print file content only if the first line matches a certain pattern?
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How to only substitute lines that match several patterns in sed?
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Match patterns on list of Strings
112581
Replacing pattern after nth match is found on each line?
50542
Remove lines from file up to a pattern, unless the pattern doesn't exist
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Python extract pattern matches
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Pattern matching multiple symbols names and powers
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RegEx to extract all matches from string using RegExp.exec