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=INVESTIGATION 1: SIMPLE & COMPLEX REGULAR EXPRESSIONS=
<span style="color:red;">'''ATTENTION''': Effective '''May 9, 2022''' - this This online tutorial will be required to be completed by '''Friday in week 10 by midnight'''<br>to obtain a grade of '''2%''' towards this course</span><br><br>
In this investigation, you will learn how to use the '''grep''' command with '''simple and complex regular expressions'''<br>to help search for ''patterns'' contained in text files.