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Demonstrate proficiency with regular expressions


Regular expressions are part of the daily life of a system administrator. Be able to match text patterns when analyzing program output or searching through files. Be able to specify a range of characters within brackets [], specify a literal, use a repetition operator, recognize a metacharacter and create an inverse filter.



Practice Exercises

More information

grep(1), egrep(1), fgrep(1), re_format(7)

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