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How to Use Awk and Regular Expressions to Filter Text or String in Files

Jun 13, 2019, 09:00 (0 Talkback[s])
(Other stories by Tecmint)

A regular expression can be defined as a strings that represent several sequence of characters. One of the most important things about regular expressions is that they allow you to filter the output of a command or file, edit a section of a text or configuration file and so on.

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