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→Extended Regular Expressions
:*'''Grouping: ( )'''<br>Perhaps you want to search for repetition for a group of characters, a word, or a phase.<br>You can enclose them within brackets ( ) to specify a group.
:*'''or Condition: |'''<br>Can be used with grouping to match a variety of character(s), words or phases.<br>The | symbol is used to separate the variety of character(s)within a group.<br><br>
Examples of how to use these complex regular expressions with the grep command are displayed below:<br><br>
