.ds rx regular expression
.ds lx \fIl\fP-expression
\"$Log$
+\"Revision 1.5 2004/03/30 01:02:45 helly
+\"Update docu
+\"
\"Revision 1.4 2004/03/14 14:23:40 helly
\"Update
\"
\fIr\fP\fC/\fP\fIs\fP
an \fIr\fP but only if it is followed by an \fIs\fP. The s is not part of
the matched text. This type of \*(rx is called "trailing context".
+.TP
+\fIr\fP\fC{\fP\fIn\fP\fC}\fP
+matches \fIr\fP exactly \fIn\fP times.
+.TP
+\fIr\fP\fC{\fP\fIn\fP\fC,}\fP
+matches \fIr\fP at least \fIn\fP times.
+.TP
+\fIr\fP\fC{\fP\fIn\fP\fC,\fP\fIm\fP\fC}\fP
+matches \fIr\fP at least \fIn\fP but not more than \fIm\fP times.
+
.LP
The regular expressions listed above are grouped according to
precedence, from highest precedence at the top to lowest at the bottom.