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→INVESTIGATION 3: OTHER COMMANDS THAT USE REGULAR EXPRESSIONS
#Search for the next occurrence of the pattern '''uli101''' by '''re-typing'''<br>the following regular expression and pressing ENTER:<br><span style="color:blue;font-weight:bold;font-family:courier;">/uli101</span><br><br>you should now see the '''second occurrence''' of this pattern near the top.<br><br>
# Press the letter <span style="color:blue;font-weight:bold;font-family:courier;">q</span> to exit the '''more''' command.<br><br>
# Try the same search techniques with the '''less''' command.<br><br>Does it work the same for the ''less'' command as it did for the ''more'' command?<br><br>[[Image:other-re-3.png|thumb|right|300px|Entering '''/uli101''' in the '''vi''' command can search for the string "'''uli101'''".]]
#Let's learn how to perform a simple '''search and replace''' within the '''vi''' utility by using regular expressions.<br>Issue the following Linux command to edit the '''large-file.txt''' file:<br><span style="color:blue;font-weight:bold;font-family:courier;">vi large-file.txt</span><br><br>Let's first perform a simple search within this text file.<br><br>
# Press the '''ESC''' key to make certain you are in '''COMMAND''' mode.<br><br>
