From 6cef1e77274f883a8b06f0546efeff6e6b8660d8 Mon Sep 17 00:00:00 2001 From: Ilya Zakharevich Date: Tue, 21 Jul 1998 19:00:35 -0400 Subject: support match indices via special variables @- and @+ Message-Id: <199807220300.XAA16081@monk.mps.ohio-state.edu> Subject: [PATCH 5.004_76] @- and @+ p4raw-id: //depot/perl@1800 --- pod/perlvar.pod | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'pod') diff --git a/pod/perlvar.pod b/pod/perlvar.pod index 2ed3e97f77..739dd55cd2 100644 --- a/pod/perlvar.pod +++ b/pod/perlvar.pod @@ -164,6 +164,18 @@ example: (Mnemonic: be positive and forward looking.) This variable is read-only. +=item @+ + +$+[0] is the offset of the end of the last successfull match. +C<$+[>IC<]> is the offset of the end of the substring matched by +I-th subpattern. + +Thus after a match against $_, $& coincides with C. Similarly, C<$>I coincides with CIC<], +$+[>I<0>C<]> if C<$-[>IC<]> is defined, and $+ conincides with +C. One can use C<$#+> to find the last +matched subgroup in the last successful match. Compare with L<"@-">. + =item $MULTILINE_MATCHING =item $* @@ -373,6 +385,18 @@ output channel. Default is 60. (Mnemonic: = has horizontal lines.) The number of lines left on the page of the currently selected output channel. (Mnemonic: lines_on_page - lines_printed.) +=item @- + +$-[0] is the offset of the start of the last successfull match. +C<$-[>IC<]> is the offset of the start of the substring matched by +I-th subpattern. + +Thus after a match against $_, $& coincides with C. Similarly, C<$>I coincides with CIC<], +$+[>I<0>C<]> if C<$-[>IC<]> is defined, and $+ conincides with +C. One can use C<$#-> to find the last +matched subgroup in the last successful match. Compare with L<"@+">. + =item format_name HANDLE EXPR =item $FORMAT_NAME -- cgit v1.2.1