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→Complex Regular Expressions
'''Complex Regular Expressions''' use symbols to help match text for more <u>precise</u> (complex) patterns.<br>The most common complex regular expression symbols are displayed below:
:*'''Anchors: ''' '''^''' , '''$''':*'''Characters : .''':*'''Character Class : [ ]''' , '''[^ ]''':*'''Zero or More Occurrence : *'''
Examples of how to use these complex regular expressions with the grep command are displayed below: