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→Complex / Extended Regular Expressions
:Examples of how to use '''extended regular expressions''' with the '''egrep''' command are displayed below:<br><br>
<table align="left"><tr valign="top"><td>[[Image:re-8.png|thumb|right|280px|Example of using '''repetition'''.]]</td><td>[[Image:re-9.png|thumb|right|250px|Example of using '''groupinggroups'''.]]</td><td>[[Image:re-10.png|thumb|right|250px|Example of using '''or''' condition with '''groupinggroups'''.]]</td></tr></table>
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