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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: ''' <span style="font-family:courier;font-weight:bold;">^</span> , <span style="font-family:courier;font-weight:bold;">$</span><br>Match lines the begin (^) or end ($) with a pattern.<br><br>
:*'''Single Character:''' <span style="font-family:courier;font-weight:bold;">.</span>
:*'''Character Class:''' <span style="font-family:courier;font-weight:bold;">[ ]</span> , <span style="font-family:courier;font-weight:bold;">[^ ]</span>
