Regexes: remove outdated special case \#

also be a bit more specific in links

Author: moritz

lib/Language/regexes.pod

@@ -55,12 +55,7 @@ to match a colon), or included in quotes:
 
     / 'two words' /     # matches 'two words' including the blank
     / "a:b"       /     # matches 'a:b' including the colon
-
-The hash character C<#> cannot be escaped with a backslash, because that
-collides with the I<unspace> syntax. So to match a hash character, you need
-to quote it:
-
-    /'#'/               # hashes must be quoted, cannot be escaped
+    / '#' /             # matches a hash character
 
 Strings are searched left to right for the regex, thus it is sufficient if a
 substring matches the regex:
@@ -74,8 +69,8 @@ substring matches the regex:
     };
 
 Match results are stored in the C<$/> variable and are also returned from
-the match. The result is of type L<Match> if the match was successful;
-otherwise it is L<Nil>.
+the match. The result is of L<type Match|/type/Match> if the match was successful;
+otherwise it is L<Nil|/type/Nil>.
 
 =head1 Wildcards and character classes