bstring
must be preceded and followed by a space, tab, or punctuation character, or be at the start
or end of the name. Otherwise, the found substring may be a fragment of a larger string.
</dd>

<dt><i>Regular expression</i></dt>

<dd>This is the option for the <i>Search for</i> edit box. When checked, the <i>Search for</i>
field contains a regular expression. Otherwise, it contains a plain text. See description of
<a href="ms-its:salamand.chm::/hh/salamand/appendix_regexp.htm">regular expressions</a>.
</d