One of the most powerful tools available to you in shell scripting is the ability to search for text strings which highlight the information you need.
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13 Features of Regular Expressions
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Regular expressions provide a robust set of features in the Bash Shell. This article lists 13 features you need to know about regex.
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How To Search Using The Awk Utility
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The awk utility provides a powerful way to search for text strings using regex. This great tool will help you solve many Bash shell script needs.
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