Author: moritz
Date: 2010-05-24 13:01:46 +0200 (Mon, 24 May 2010)
New Revision: 30770
Modified:
docs/Perl6/Spec/S05-regex.pod
Log:
[S05] clarify how :x and :nth interact
Modified: docs/Perl6/Spec/S05-regex.pod
===================================================================
--- docs/Perl6/Spec/S05-regex.pod 2010-05-24 02:42:08 UTC (rev 30769)
+++ docs/Perl6/Spec/S05-regex.pod 2010-05-24 11:01:46 UTC (rev 30770)
@@ -465,6 +465,12 @@
So are closures: C<:nth({.is_fibonacci})>
+If both C<:nth> and C<:x> are present, the matching routine looks for
submatches
+that are compatiable with C<:nth>. If the number of matches is compatible with
+the constraint in C<:x>, the whole match succeeds with the highest possible
+number of submatches. The combination of C<:nth> and C<:x> typically only
+makes sense if C<:nth> is not a single scalar.
+
=item *
With the new C<:ov> (C<:overlap>) modifier, the current regex will