Change 22125 by [EMAIL PROTECTED] on 2004/01/12 22:44:53
Document usage of $_ and pos() inside /(?{...})/.
(see change #2367.)
Affected files ...
... //depot/perl/pod/perlre.pod#84 edit
Differences ...
==== //depot/perl/pod/perlre.pod#84 (text) ====
Index: perl/pod/perlre.pod
--- perl/pod/perlre.pod#83~19804~ Tue Jun 17 06:12:21 2003
+++ perl/pod/perlre.pod Mon Jan 12 14:44:53 2004
@@ -574,6 +574,10 @@
/the (\S+)(?{ $color = $^N }) (\S+)(?{ $animal = $^N })/i;
print "color = $color, animal = $animal\n";
+Inside the C<(?{...})> block, C<$_> refers to the string the regular
+expression is matching against. You can also use C<pos()> to know what is
+the current position of matching withing this string.
+
The C<code> is properly scoped in the following sense: If the assertion
is backtracked (compare L<"Backtracking">), all changes introduced after
C<local>ization are undone, so that
End of Patch.
