\helpref{wxRegEx}{wxregex}
-\subsection{Different Flavors of REs}
+\subsection{Different Flavors of REs}\label{differentflavors}
\helpref{Syntax of the builtin regular expression library}{wxresyn}
they will be discussed at the \helpref{end}{wxresynbre}. POSIX EREs are almost an exact subset
of AREs. Features of AREs that are not present in EREs will be indicated.
-\subsection{Regular Expression Syntax}
+\subsection{Regular Expression Syntax}\label{resyntax}
\helpref{Syntax of the builtin regular expression library}{wxresyn}
(i.e. the number is in the legal range for a back reference), and otherwise
is taken as octal.
-\subsection{Metasyntax}
+\subsection{Metasyntax}\label{remetasyntax}
\helpref{Syntax of the builtin regular expression library}{wxresyn}
this affects {\bf \caret} and {\bf \$} as with newline-sensitive matching, but not {\bf .} and bracket
expressions. This isn't very useful but is provided for symmetry.
-\subsection{Limits And Compatibility}
+\subsection{Limits And Compatibility}\label{relimits}
\helpref{Syntax of the builtin regular expression library}{wxresyn}