
character is a <tt>\</tt> followed by any character, and matches that
character.  Escaping can be used to match characters which have a
special meaning in regexp syntax.  A <tt>\</tt> cannot be the last
character of an ERE.  Escaping also allows you to include a few
non-printable characters in the regular expression.  These special
escape sequences include:
</p>

<ul>
<li><tt>\a</tt> - Bell character (ASCII code 7)
<li><tt>\e</tt> - Escape character (ASCII code 27)
<li><tt>\f</tt> - Form-feed character (AS