<listitem>Use "." and not "?" for a single character.</listitem>\r
<listitem>Use "abc.*ghk" and not "abc*ghk" for multiple characters</listitem>\r
<listitem>Use "\." to represent the dot in a file extension</listitem>\r
+ <listitem>Use "(?i)" to make the following characters case-insensitive</listitem>\r
</itemizedlist>\r
</para>\r
</section>\r