# Issue the following Linux pipeline command:<br><span style="color:blue;font-weight:bold;font-family:courier;">grep -w -i "the$" textfile1.txt</span><br><br>What do you notice?<br><br>

# Issue the following Linux pipeline command to anchor the work "the" simultaneously at the beginning and the end of the string:<br><span style="color:blue;font-weight:bold;font-family:courier;">grep -w -i "^the$" textfile1.txt </span><br><br>What do you notice?<br><br>Anchoring patterns at both the <u>beginning</u> and <u>ending</u> of strings can greatly assist for more robust search patterns.<br><br>We will now be demonstrating the usefulness of '''simultaneous anchoring''' with other complex regular expressions symbols.<br><br>

# Issue the following command to match strings that begin and end with 3 characters:<br><span style="color:blue;font-weight:bold;font-family:courier;">grep "^...$" textfile1.txt</span><br><br>What do you notice?<br><br>

# Issue the following command to match strings that begin with 3 digits:<br><span style="color:blue;font-weight:bold;font-family:courier;">grep "^[0-9][0-9][0-9]" textfile1.txt</span><br><br>