a bit on character ranges

Author: timo

lib/regexes.pod

@@ -264,7 +264,22 @@ supposed to work, but not supported by Rakudo at the time of writing).
 
 =head2 Enumerated character classes and ranges
 
-TODO
+Sometimes the pre-existing wildcards and character classes are just not
+enough. Fortunately, defining your own is simple enough. Between C<< <[ ]> >>,
+you can put any number of single characters and ranges of characters (expressed
+with two dots between the end points) between them, with or without whitespace.
+
+    "abacabadabacaba" ~~ / <[ a .. c 1 2 3 ]> /
+
+In between the C<< < > >>, you can also use the same operators for categories
+(C<+>, C<|>, C<&>, C<->, C<^>) to combine multiple range definitions and even
+mix in some of the unicode categories above. Another thing you are allowed to
+write between the C< [ ] > is the backslashed forms for character classes.
+
+    / <[\d] - [13579]> /
+    # not quite the same as
+    / <[02468]>
+    # because the first one also contains "weird" unicodey digits
 
 =head1 Quantifier