-\fBselector\fP is a command line dynamic string selection. A you type
-a list of strings separated by ';', the display is updated in real
-time to show only the lines containing all the said strings.
+\fBselector\fP is a command line dynamic string selection. As you type
+a list of strings separated by ';' or a regexp, the display is updated
+in real time to show only the lines containing all the said strings,
+or matching the regexp.
+
+The ^R key switches between the standard multi-substring mode and the
+regexp mode.