Changes

''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>

:'''Single Character:''' &nbsp; <span style="font-family:courier;font-weight:bold;">.</span><br>Represents a single character that can be any type of character.<br>