ng, with all characters treated as ordinary characters.
<P><DT><A NAME="M11"><B>TCL_REG_NOCASE</B></A><DD>
Compile for matching that ignores upper/lower case distinctions.
<P><DT><A NAME="M12"><B>TCL_REG_NEWLINE</B></A><DD>
Compile for newline-sensitive matching.  By default, newline is a
completely ordinary character with no special meaning in either
regular expressions or strings.  With this flag,
&#8220;[^&#8221;
bracket expressions and
&#8220;.&#8221;
never match newline,
&#8220;^&#8221;
matches an empt