This is a continuation from the previous video...
We first add a a few lines to the grocerylist.txt file (from video 7).
Then we look at the how the asterisk, question mark, and plus sign wildcards work and we learn about extended regular expressions.
We then look at how to create an "or" regular expression and then grep our grep to "and" the grep regular expressions.
We use regular expressions to show only the upper case letters and numbers in the file
We then look at how to use the character classes with grep.
See the complete LCL playlist at: • Linux Command Line (01) What Is The ...
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